Josh Cowen Profile picture
Dec 15 6 tweets 6 min read
Another glaring gap between the actual Fordham #ohioed #schoolvouchers results and the spin from its Forward is on student achievement.
@NPEaction @Network4pubEd @PV4PS @OhioPEP @StephenODyer @CLub_edu @SchlFinance101
1/
The actual researchers clearly say their results are due to changes in student composition—with #schoolvouchers by design drawing more lower income students (ie also lower ave test scores) away from districts.

So districts didn’t actually improve #education due to vouchers
2/
They just lost lower scoring kids.

“But wait!” #schoolvouchers activists may say, “that shows vouchers are admitting poorer kids!”

True enough but there’s no evidence voucher programs know how to *serve* those kids.

Quite the opposite:
3/
As I and others have shown, exit rates for #schoolvouchers are huge and are primarily driven by Black, lower scoring, lower income kids. I discuss that just this week @DianeRavitch

dianeravitch.net/2022/12/12/jos…
4/
And you can see sample work here, where we showed in Milwaukee that the kids most at-risk were the ones to flee #SchoolVouchers. Will Howell showed this in the old Peterson voucher data too, btw, in a solo 2004 JPAM article.

journals.sagepub.com/doi/full/10.31…
5/
In other words, the Fordham report is consistent with a story where disadvantaged district performance levels go up because of a constant yearly churn of #economicallydisadvantaged kids in and out of #schoolvouchers

You guys, that’s not a good thing.
6/6

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More from @joshcowenMSU

Dec 16
Don’t let the Right define opposition to #SchoolVouchers

It’s their way of setting up targets to shoot down. @DianeRavitch @rweingarten @Network4pubEd @NPEaction @PV4PS @palan57 @BadassTeachersA

The problems are:
1/

❌ Tax-giveaways for those already in private school Image
❌ Horrific academic outcomes for kids who actually do switch to #schoolvouchers

2/ Image
❌ A revolving door of children in and out of private schools promising long term academic stability

3/
dianeravitch.net/2022/12/12/jos…
Read 7 tweets
Dec 15
It’s the #schoolvouchers two-step playbook:

❌ set up a bar they know they’ll pass by saying “critics say…”
❌ barely pass and celebrate.

But there’s never discussion of relative effects:

1/
For example there is vastly more and stronger evidence that funding public schools has substantial and long-term effects that dwarf the tiny “competitive effects” on public schools that some #schoolvouchers studies find
#schoolfinance @SchlFinance101 @dsknight84

2/
And Fordham glaringly ignores its own previous study showing that students who actually use #schoolvouchers had test score drops ~ 4x the test gains by competition in the new study @Network4pubEd @OhioPEP @PV4PS

3/
Read 4 tweets
Dec 14
First and most important: the study presents a ton of zero impacts and tiny effects. Mostly this is #schoolvouchers report about statistical noise, packaged as a win. The beauty of null results is one can see what one wants.

2/
But in what’s become a trend for Fordham, its house-written Forward makes way more of the externally done results than it should.

Basically the argument goes

#schoolvouchers” critics say vouchers hurt but we find no evidence of vouchers doing anything! Critics are wrong!”

3/
Read 11 tweets
Dec 13
Imploring #edchat journalists to ask these data questions of current/proposed #SchoolVouchers schemes.

It’s how we know the so-called #COVID19 exodus for private/#homeschool will come back.

5-year voucher exit rates *before* COVID were near 💯

1/
dianeravitch.net/2022/12/12/jos…
There are 3 groups of #schoolvouchers users—each giving lie to #EducationFreedom:

🤑 long-standing #privateschool parents cashing in—far the largest group

🤔 voucher-curious kids leaving soon after (most of the rest)

😵‍💫 some stray sorters—often susceptible to recruiting

2/ Image
There is NO evidence that #schoolvouchers give long-term “lifelines” out of so-called failing schools. They’re a tax-giveaway to parents already sending kids private…

…and for the rest a crypto-like short-term gamble that they usually back out of soon after enrolling.

3/3 Image
Read 4 tweets
Dec 6
Why have #schoolvouchers programs persisted and expanded despite a more lopsided base of objective evidence against them than nearly any other current #edpolicy #education initiative?

A few reasons 🧵🪡

1/
First is that today #schoolvouchers activists are directly part of the larger #trump-style revanchist and anti-democratic turn in American politics since Obama’s second term.

Politically their success is intertwined.
2/
But as a policy matter too we see #schoolvouchers linger around even as #education research has tried to place itself in an #evidencebased position to inform policy.

If evidence were all that informed #edpolicy then vouchers would have been dead a decade ago.

3/
Read 13 tweets
Dec 5
One reason #schoolvouchers are still described as having “mixed” outcomes is the success of advocates propping up shoddy studies to flood the zone and offset quality evaluations showing dreadful impacts.

But it’s also because few people know what “mixed” truly looks like.

1/
But another reason is non-researchers don’t know what “mixed” truly looks like. #SchoolVouchers outcomes are mixed compared to a standard of “all results show bad outcomes.”

Most do—and all recent do—but not all studies ever show negative.

2/
But that’s not the question. Relative to other #edpolicy questions #schoolvouchers research over the last decade is entirely one-sided.

I could tell a data-driven story on either side of many #edpolicy questions. Where you have to decide the general tendency not an absolute

3/
Read 6 tweets

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