In Nevada, we have a one-month opt-out window before school starts where we can quit without penalty, although CCSD's union negotiated a right-to-resign without penalty.
https://www.houstonchronicle.com/news/investigations/article/texas-politicians-power-grid-failures-blackout-16185399.php
From the Article:
THe freE MARKet KnowS Best ANd REGuLaTiONs aRe bAD, rIght?