CSI Charter School

Set in Penacook, New Hampshire, CSI Charter School is a micro-enrollment high school, part of CSI Charter School. It works with 34 students across grades 9 through 12. Compared to the state average of about 496 students per school, that is 93% below typical.

Operationally, CSI Charter School answers to CSI Charter School, which sets policy, hires staff, and reports enrollment to the state.

On the student-mix side, CSI Charter School shows that the student body is overwhelmingly White (100%). That is visibly more White than the county at large, where the share is closer to 91%.

Looking at school resources, On paper, CSI Charter School has 2 full-time-equivalent teachers, translating to a class-load average of around 16.2:1. Statewide, the average ratio sits near 11.2:1, putting CSI Charter School higher than the state norm the norm. Roughly 12% of students at CSI Charter School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Merrimack County (around 25%), the school's rate is somewhat below typical.

Across the wider county, Merrimack County reports that median household income runs about $97,004, 39% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 4%. In all, Merrimack County runs 61 public schools (combined enrollment of about 17,429 students), of which CSI Charter School is one.

The closest other public school is Merrimack Valley High School, roughly 0.6 miles away. Counting just inside five miles, 7 other public schools cluster around CSI Charter School.

The campus sits in a town-center setting. CSI Charter School is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Looking at the recent track record. Looking back 7 years, enrollment at CSI Charter School has edged down 35%, going from 52 students in 2018 to 34 in 2025. The student-to-teacher ratio fell from 20.8:1 in 2018 to 16.2:1 today.

Inside the community feed, posts here usually surface around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.