It’s the Air Filters

While Tennessee has a clear need for school infrastructure upgrades, especially as it relates to lead in water, it’s also worth noting that improving air quality in schools could have tremendous benefits for students — both in terms of health and academics. A new study highlighted in Vox notes that student achievement improves when schools install air filters.


The impact of the air filters is strikingly large given what a simple change we’re talking about. The school district didn’t reengineer the school buildings or make dramatic education reforms; they just installed $700 commercially available filters that you could plug into any room in the country. But it’s consistent with a growing literature on the cognitive impact of air pollution, which finds that everyone from chess players to baseball umpires to workers in a pear-packing factory suffer deteriorations in performance when the air is more polluted.

A study following the installation of the air filters noted a significant impact on student performance:


He finds that math scores went up by 0.20 standard deviations and English scores by 0.18 standard deviations, and the results hold up even when you control for “detailed student demographics, including residential ZIP Code fixed effects that help control for a student’s exposure to pollution at home.”

These findings are consistent with other data on the subject:

But Sefi Roth of the London School of Economics studied university students’ test performance relative to air pollution levels on the day of the test alone. He found that taking a test in a filtered rather than unfiltered room would raise test scores by 0.09 standard deviations. That’s about half the impact Gilraine found, just based on day-of-test air quality. In Gilraine’s natural experiment, students benefited from cleaner air for about four months. Given that context, it’s not incredibly surprising that you could see an impact that’s about twice as large.

So, a relatively inexpensive change in schools could have a big, positive impact on every student in the state. By contrast, school vouchers represent a very expensive intervention that negatively impacts participating students:


Recent data from the non-partisan Brookings Institute, for example, shows that four rigorous studies done in Louisiana, Washington, D.C., Indiana and Ohio found that struggling students who use vouchers to attend private schools perform worse on achievement tests than struggling students in public schools.  

So, will the Tennessee General Assembly repeal the voucher legislation and move forward with a plan to add air filters to classrooms?

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TEA on 2020 School Funding

The Tennessee Education Association is out with an analysis of how revenue estimates from the State Funding Board impact money available for our public schools. Here’s more:


Tennessee is so far behind it would take $1.2 billion annually to reach the Southeast average. The good news is Tennessee has the revenue available to make a $1.2 billion investment in a few years without raising taxes. The bad news is the state follows a budget process that chronically underestimates revenue growth, thus withholding billions from classrooms. 


For five years actual revenue growth was more than double state estimates, leaving $3 billion in surplus while public schools remain under-funded. While state K-12 funding did increase by $700 million over those years, had the state doubled K-12 investment to $1.4 billion, a substantial surplus would still have remained while also moving Tennessee schools out of the bottom 10 in funding. 


There is already a problem with this year’s estimates. The State Funding Board, a panel of constitutional officers and the state finance director, recently approved a growth rate of between 2.7% and 3.1%, well below even the most pessimistic predictions by economists hired by the state. 
It is the lowest rate since 2014, when the board predicted little to no growth. This led then-Gov. Haslam to eliminate a promised $50 million state teacher raise. Actual revenue grew 5% in 2014-2015, leading to a $552 million surplus while teachers got nothing. 


The board also had to increase its growth estimate for 2019-2020, predicting a general fund surplus of $430 – $500 million. Even this upward revision may be far too low. First-quarter general fund growth was 8.1%, more than double the revised estimate, which could generate a surplus up to $900 million. Teachers got $72 million for salaries in this budget. It could have been $272 million.

Governor Bill Lee, House Speaker Cameron Sexton, and House GOP Caucus Chair Jeremy Faison have all suggested this will be the year Tennessee makes a big investment in teacher pay. Will these leaders use low-ball funding board revenue estimates to nix this raise? Or, will they look at historic data suggesting the money is there and use that information to push for a significant boost in pay for teachers and investment in schools?

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Spare Change

Senate Finance Chair Bo Watson wants you to spend your spare change on Tennessee’s public schools. Watson touts the Volunteer Public Education Trust Fund in a recent piece distributed around the state. Here’s more:

For all those who clamor for more financial investment in K-12 public education, there is a perfect investment opportunity for you – the Volunteer Public Education Trust.

Watson then goes on to highlight the many potential benefits of investment in this fund.

Let’s be clear: A state that is 45th in the nation in school funding is now asking people to just donate their extra cash to a fund to help boost schools.

Watson sounds like he’s not among “all those who clamor” for more investment in our schools. But, hey, if YOU are, go for it.

Watson fails to mention that Tennessee has banked over $3 billion in surpluses over the past five years. Was that money invested in public schools? No! Instead, the inheritance tax and Hall investment tax were phased out.

In fact, a recent analysis indicates that while state revenue is up by an 7% over the past 10 years when adjusted for inflation, teacher salaries are down by 2.6% over the same time period.

This lack of commitment to directing available dollars to public schools is why Tennessee earned an “F” for effort in a recent comparison of state spending on education.

Now, instead of committing to use state funds to fill a $500 million hole in school funding, Watson is suggesting collecting spare change from donors in order to meet the needs of our state’s schoolchildren.


The Volunteer Public Education Trust is now ready for contributions from individuals, businesses and corporations that will transform the way we fund public education in Tennessee.

Here’s another way to transform the way we fund public education in Tennessee: Start funding education in Tennessee.

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Wish List

Nashville attorney Jamie Hollin takes on the Chamber of Commerce as he discusses the “Adopt-a-Teacher” program. Here are some highlights:


Our elected officials have chronically underfunded public education in Tennessee at virtually every level. The fact we rank near the bottom in the U.S. in per-pupil spending should surprise no one.


But governments have accomplices, and one of them here is the Nashville Area Chamber of Commerce, which has consistently advocated for policies that undercut our public schools.


When Mayor Karl Dean proposed a modest 53-cent property tax increase in 2012, largely to increase pay for early career teachers and make Metro schools more competitive, the Chamber had to be dragged into supporting it. When the school board joined a lawsuit to force the state to live up to their promises and fully fund schools, the Chamber was and has been silent.

The Chamber has been vocal about supporting charter schools, though, and unabated charter growth now accounts for $130 million that could be going to traditional public schools. The Chamber has also supported vouchers in the past and now Gov. Bill Lee’s plan looks like it will take another $330 million out of public schools in Davidson and Shelby counties by 2024.

Read more from Hollin about the Nashville Chamber and the current “budget crisis” that may prevent further investment in Nashville’s public schools.

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We’re #1

A new report indicates Tennessee is a national leader in at least one education category. Jason Gonzales in the Tennessean notes that Tennessee has one of the lowest investments in the nation in rural schools.

Specifically, the report states:


For example, the report said: “22 states have decreased their state contributions for every local dollar invested in rural schools. Tennessee has seen the greatest drop ($1.68, down from $2.11 per local dollar).”

So, six years ago education officials touted the “fastest-improving” NAEP scores — which turned out to be an outlier. Now, we’ll see how (if) they do anything to improve funding for rural schools.

We’re already in a state where teachers earn less than similarly-trained professionals and we’re at the bottom in both overall investment in schools and funding effort relative to ability. In fact, another recent report gave Tennessee a grade of “F” in funding effort:


The report notes that Tennessee is 43rd in the nation in overall funding level and 47th in effort. The effort category is of particular interest because it indicates that Tennessee has significant room for improvement in terms of funding level. That is, there are untapped resources Tennessee is NOT using to fund schools.

Meanwhile, Gov. Bill Lee is out finding a new plaid shirt for this weekend’s faux farmer update. He’ll post to Twitter and pretend he cares about rural schools while pushing an aggressive privatization agenda.

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A Different Kind of Test

Amid reports of lead in the water at schools across Tennessee, health experts are advising parents to have children tested, according to WREG in Memphis. Here’s more:

Health experts said there’s a wide range of severity and symptoms when dealing with lead poisoning, with anything from mild nausea and headaches to developmental problems. But with the levels found in the two dozen SCS locations, doctors are optimistic for student and faculty safety.

“With the amount of lead that they’re talking about, 1% above the EPA threshold, the likelihood that those children ingested toxic amounts of lead is low,” said Dale Criner, medical director of St. Francis Hospital Bartlett. “There’s still a possibility, but it’s low.”

Doctors recommend a simple blood test to determine exposure levels.

As a result of state legislation, school systems across the state are testing buildings for lead. The results have not been encouraging:

So far, 134 schools in Tennessee have at least one water source with unacceptably high levels of lead, according to a story in Chalkbeat:


So far, more than 100 schools in 31 districts across Tennessee found at least one water source above 20 parts per billion.

As noted before, the infrastructure concerns are being raised at a time when Gov. Lee is pushing state funds to charter schools by way of a “capital improvement slush fund.”

It’s also worth noting that studies have consistently indicated that the quality of the buildings where a student learn impact overall student achievement:

Studies have shown that conditions such as cold classrooms can affect student learning. One study found that poor building conditions can lead to higher rates of frequent student absences. Another found that students in deteriorating buildings score 5 to 17 points lower on standardized tests than students in newer facilities. Several studies, including two in Tennessee, show that students learn more when they are in newer facilities.


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Buildings Matter

While Governor Bill Lee’s administration distributes money to charter schools by way of a capital slush fund, schools in Shelby County and across the state are struggling to maintain infrastructure. More on the current challenges in Shelby County from Chalkbeat:

This week, when temperatures in Memphis dipped to an unseasonably chilly 20 degrees, his first two classes had no heat. The problem was partially caused by a gas leak that led to an early dismissal Tuesday, but Scott said cold classrooms are common. Walking into a classroom with no heat, “I could feel this fresh coldness like a window had been opened.”

Building conditions impact student outcomes

Studies have shown that conditions such as cold classrooms can affect student learning. One study found that poor building conditions can lead to higher rates of frequent student absences. Another found that students in deteriorating buildings score 5 to 17 points lower on standardized tests than students in newer facilities. Several studies, including two in Tennessee, show that students learn more when they are in newer facilities.

The report on infrastructure challenges in Shelby County comes on the heels of another report about lead in water at schools across Tennessee.

It’s absolutely clear that the State of Tennessee needs to make significant investments in our schools. It’s also clear that legislative leaders and Governor Lee have shown zero interest in making that happen. Instead, the Plaid Privatizer seems content to push an agenda of disruption while promoting charter schools and voucher schemes.

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Wilson County Voters to Decide on Sales Tax to Boost Teacher Pay

The Wilson Post reports that the Wilson County Commission is asking voters to decide on a sales tax increase on the March 3rd ballot, with any proceeds from increased revenue being dedicated to teacher pay raises:

The Wilson County Commission voted unanimously Monday night to put a one-half percent sales tax increase into the hands of voters, this time tying the increase to higher salaries for county teachers.

At the monthly commission meeting, District 6 Commissioner Kenny Reich made a motion to amend the resolution so that any additional revenue would be designated for teacher pay raises. The original resolution did not specify a use for the increased money.

If passed the county sales tax would increase to 9.75 percent from 9.25 percent. The one-half percent increase is the maximum increase allowed under state law. If passed the sales tax on a $100 item would increase 50 cents.

The move comes as Wilson County is feeling the impact of the national teacher shortage, driven in part by low pay for educators. Additionally, new reports indicate teacher pay in Tennessee has actually fallen over the last decade when adjusted for inflation. Wilson County also suffers from a pay scale tied to teacher value-added scores.

Director of Schools Donna Wright noted that a pay raise was essential to keep Wilson County competitive with neighboring districts. A pay raise of $4000 for every teacher in nearby Sumner County goes into effect in January.

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Revenue Up, Teacher Pay Down

Economic analysts are predicting a slowing of the growth that has driven the Tennessee economy in recent years, according to an article in the Tennessean. Those same analysts indicate tax revenue growth in the state over the past 10 years has been 7% when adjusted for inflation. Here’s more:

Most of Tennessee’s cities have reaped the benefits during this longest economic boom in history with double-digit jumps in employment and gross domestic product. 

However, Tennessee tax collections have only increased 7% in the past decade, when adjusted for inflation. 

“That’s not a lot of growth,” said William Fox, director of the Boyd Center for Business and Economic Research at the University of Tennessee, Knoxville. “Revenue growth would have been stronger, but we had a number of policy decisions to reduce revenues.”

An analysis provided by the Tennessee Education Association (TEA) indicates that average teacher pay in the state is actually down by 2.6% over the same time period when adjusted for inflation.

TEA also notes:

For the past five years Tennessee has been running huge revenue surpluses as education needs go unmet. Over this five-year span the state collected nearly $3 billion more in general fund revenue than it anticipated. Last year alone the state general fund had a $580 million surplus. These are millions that could have gone to classrooms. 

Not only is Tennessee bringing in more revenue than anticipated but also, as Fox notes, the state has used that good fortune to reduce future revenue. In fact, the state of Tennessee phased-out the inheritance tax (previously paid on estates worth $5 million or more) and is phasing out the Hall Income Tax on investment income. Here’s more on that from the Department of Revenue:

The Hall income tax is being phased out through December 31, 2020.  The tax is fully repealed beginning January 1, 2021.  See important notice 17-09 for more information.

Some estimates indicate completely eliminating the Hall Income Tax means foregoing $180 million in state revenue each year. That’s roughly the equivalent of foregoing a 7% raise in teacher pay each year.

So, let’s be clear about a few things: 1) State lawmakers prioritized tax cuts for wealthy Tennesseans over raising pay for teachers and 2) Even with these tax cuts, there is significant money available to fund teacher raises and 3) Now that the economy is slowing a bit, legislators are being encouraged to exercise caution — which likely means less money to invest in teacher pay and other public service needs.

Shorter: Tennessee policymakers have not made investing in teachers a priority.

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BEP Black Magic

An article in yesterday’s Chattanooga Times-Free Press indicates that some legislators have no idea how the state’s education funding formula works or even what words actually mean.

The article notes that state Senator Todd Gardenhire and state Representative Mike Carter are frustrated by the state budget process, where funds are passed to increase salaries for educators through the Basic Education Plan (BEP). The lawmakers apparently fail to understand that every single system in the state hires teachers beyond the BEP and that the legislature continues to pass unfunded mandates on to local districts.

Specifically, Gardenhire and Carter want a clear definition of the word “teacher” so that only “teachers” receive state raise money and so that the legislators can continue underfunding schools while cutting taxes for big corporations and wealthy individuals. Seems the two of them could use a math class.

Here’s more from the article:

State Sen. Todd Gardenhire, R-Chattanooga, and state Rep. Mike Carter, R-Ooltewah, have long called for one official definition of what a “teacher” is that school districts and the state can stick to, and they have again been raising the issue with Hamilton County’s school leaders and lawmakers.

Are these ALL “teachers?”

Regular classroom teachers, special education teachers, vocational education, music or art teachers, school counselors, guidance counselors, social workers, librarians, principals, assistant principals, and even supervisors such as instructional coaches, teacher supervisors and staff who complete special education assessments for students all fall into the same category.

Gardenhire and Carter apparently would like it if there were differentiations among instructional staff so they could continue allocating paltry sums to fund schools while allowing at least some employees to receive a state-funded raise.

One County Commissioner narrowed the issue quite well:

Hamilton County Commissioner David Sharpe, of District 6, asked the state representatives at the Nov. 7 legislative delegation meeting who has been getting raises who shouldn’t have been, but his question went unanswered.


“Who are we angry [about] that is getting a raise that we don’t think should be getting a raise?” Sharpe said.

Carter made clear he hasn’t spent time seeking to understand the BEP nor has he made any serious effort to improve it:

“We are promising teachers something that we are not delivering. The BEP is all black magic. No one actually understands it, no one wants to,” Carter told the Times Free Press.

Of course, the state publishes a BEP handbook and also has a BEP Review Committee which meets regularly and explores the formula in order to recommend improvements.

One way to solve the dilemma expressed by Gardenhire and Carter? Actually fund the BEP at an adequate level. The state’s Comptroller of the Treasury estimates the BEP is underfunded by some $500 million annually. Fortunately, both Gardenhire and Carter are lawmakers and have the ability to push legislation to actually fund the formula. Unfortunately, neither have made any effort in this area.

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