Undercover video recording "is not allowed" screeches the school board.

yet.... NJ looks like a one party consent state https://recordinglaw.com/united-states-recording-laws/one-party-consent-states/ "One-party consent means that an individual can record conversations they are a part of without the other person’s consent. "

plus if what happens is in a public place you also have that 'no expectation of privacy' argument.

Must not have gotten archived properly. Link in OP didn't work. It's archived now and the link in the OP should work.

https://web.archive.org/web/20230629000928/https://www.nj.com/education/2023/06/nj-activist-offers-hidden-cameras-for-kids-to-record-lies-corruption-abuse-in-schools.html

Undercover video recording may be illegal. But, when has 'illegal' stopped a kid from doing something?

“Why can’t cameras be in every classroom so that parents can see exactly what is going on? If some teachers consider this an invasion of privacy, what are they hiding?” one member posted.

I thought every kid already carried a camera around all the time.