Then, they took buses to bigger schools within School Administrative Unit 4: first Newfound Memorial Middle School and then Newfound Regional High School, both in Bristol, N.H. New Hampshire towns are increasingly voting to split apart their school districts and go their separate ways. The result: Even as school enrollment has steadily declined, there are now more school administrative units than there were 20 years ago — 105 in 2025 compared with 85 in 2005. Christina said the School Boards Association exists to help school boards navigate the separation process, but not to advise whether they should. “I don’t think we have confirmation that it doesn’t save money either.”And school districts sometimes break apart even while acknowledging that it could increase taxes.