Gardiner Area High School

Gardiner Area High School is an average-sized high school in Gardiner, Maine, overseen by RSU 11/MSAD 11. The school educates 565 students in grades 9 through 12. That puts it 26% above the typical public school in Maine, which averages around 448 students.

RSU 11/MSAD 11 comprises 6 schools with combined enrollment of 1,846 students; Gardiner Area High School is among them.

In terms of who attends, Gardiner Area High School lists that the student body is overwhelmingly White (93%). The remainder consists of 3% Hispanic. That composition is broadly in line with Kennebec County as a whole.

Looking at the economic backdrop, Gardiner Area High School reports 48 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.8:1. The state averages about 11.9:1, putting this campus right in line with peers. Around 46% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator.

Zooming out to the county, the surrounding county (Kennebec County) records that median household income runs about $69,077, 32% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. Gardiner Area High School is one of 53 public schools in Kennebec County (combined enrollment of about 15,649 students).

The closest other public school is Laura E Richards School, roughly 0.7 miles away. Counting just inside five miles, 7 other public schools cluster around Gardiner Area High School.

Gardiner Area High School operates from a town-based location.

Five-year trend. Looking back 7 years, enrollment at Gardiner Area High School has fell 12%, going from 640 students in 2018 to 565 in 2025. Class-load math has pulled in: from 13.1:1 in 2018 to 11.8:1 in 2025.

On this page, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Members of the school community can share what they know.