Post

@carlhendrick.substack.com

Do test scores improve after phone bans? Not really. - High schools gain a little. Middle schools lose a little. The average is close to zero. www.nber.org/papers/w35132

4/5/26, 8:52 pm1 repost4 likes

John Matthews

@johnmatthewspi.bsky.social

4 May

I'd like to see a measure for the number of safeguarding concerns.

Altaira Morbius

@altairamorbius.bsky.social

4 May

What was the distance between the ban and the testing? Was the ban implemented effectively (was it actually a ban?) What is the teacher satisfaction with said bans?