Massabesic High School

Massabesic High School, a high-enrollment high school, is located in Waterboro, Maine. The school's 867 students are in grades 9 through 12. Enrollment is 94% higher than the average for high schools in Maine, which is about 448.

RSU 57/MSAD 57 operates 7 schools. Combined enrollment is 2,867 students.

Federal enrollment data show Massabesic High School is 94% White. After that, the student body is 3% multiracial. That is close to the 91% White share among all York County residents. The school's diversity index is 11%, meaning two students picked at random have an 11% chance of belonging to different racial or ethnic groups.

At Massabesic High School, 64 full-time-equivalent teachers work with students, a ratio of about 13.6:1. That is higher than the 11.9:1 average for high schools in Maine. Roughly 41% of the student body qualifies for free or reduced-price lunch.

The allk12 Grade for Massabesic High School is D. Compared with Maine public high schools, the school scored higher than 11% on a mix of test scores, poverty-adjusted results, and recent trend.

Across York County, the median household income is $88,333, about 36% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. In all, York County has 61 public schools and roughly 24,364 students.

Massabesic Middle School is the nearest neighboring public school, about 3.3 miles away. The five-mile area around Massabesic High School holds 3 other public schools.

The National Center for Education Statistics classifies the school's location as Rural: Distant, meaning it is in rural territory some distance from an urban area.

Federal data show a 3% enrollment decrease, from 891 in 2020-21 to 867 in 2024-25.

If you have questions about enrollment questions, class placement, and PTA news at Massabesic High School, you can post them here. Posting is open to anyone connected to the school.