Holbrook School

Located at 202 Kidder Hill Road, in Holden, Maine, Holbrook School is a cozy middle-grades school that caters to 178 students (grades 5 through 8), run under RSU 63/MSAD 63. Compared to the state average of about 364 students per school, that is 51% below typical.

RSU 63/MSAD 63 runs 3 schools in total, collectively educating 443 students. Holbrook School is one of those campuses.

For racial and ethnic makeup, Holbrook School records that the student body is overwhelmingly White (95%). That composition is broadly in line with Penobscot County as a whole.

Looking at school resources, On paper, Holbrook School has 13 full-time-equivalent teachers, translating to a class-load average of around 14.1:1. Statewide, the average ratio sits near 11.2:1, putting Holbrook School higher than the state norm the norm. Roughly 37% of students at Holbrook School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is below Penobscot County's rate of about 48%.

Around the school, ACS estimates for Penobscot County put the typical household earns roughly $66,356 per year, roughly 30% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 9%. Across Penobscot County's 69 public schools (combined enrollment of about 18,646 students), Holbrook School is one campus in the mix.

Dedham School is the nearest neighboring public school, about 1.3 miles from this campus. Within five miles, there are 2 other public schools.

The campus sits in a low-density setting.

Looking at the recent track record. Over the past 7-year window, the student count shrank 30%: 254 students in 2018 compared to 178 in 2025. The student-to-teacher ratio widened from 11.5:1 in 2018 to 14.1:1 today.

Within the allk12 community for this school, recent activity here tends to focus on school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.