Summary
Francis W. Parker Charter Essential School is a public charter school in Devens, MA serving 388 students in grades 7–12, and it operates as its own district. In 2025–2026 it ranked 39th of 353 Massachusetts schools (89th percentile, 4 stars), an upper-tier statewide showing that is stronger than the district-level line for Francis W. Parker Charter Essential (District) at 65th of 351 (81st percentile, 4 stars). The school has been mostly 4-star in recent years, up from 122nd of 351 in 2015–2016 and 133rd of 354 in 2014–2015 (3 stars).
Because Parker serves grades 7–12 while most nearby high schools serve grades 9–12, Grade 10 MCAS is the fairest comparison. In 2025–2026, Grade 10 ELA proficiency was 76.12%, essentially tied with Westford Academy (76.21%) and far above the state's 45.48%; math was 68.66% and science 65.67%, both well above state averages. Grade 8 also beat the state in ELA, math, science, and civics. The one soft spot is Grade 7 ELA at 38.67%, slightly below the state's 39.91%. All-grade results (43.17% ELA, 43.17% math, 54.69% science) remain above state but have declined from 2023–2024 peaks of 59.68%, 54.47%, and 70.00%. Notably, Parker ranked 1st of 298 schools (100th percentile, 5 stars) for its special education subgroup in 2025–2026, after 3rd of 302 (99th percentile, 5 stars) the year before.
Completion is strong: a 96.5% graduation rate and a 0.0% dropout rate in 2024–2025, with a 9.4 student–teacher ratio — the lowest among the comprehensive high schools compared — and per-pupil spending of $19,432 in 2020–2021. Parker outranks Groton Dunstable Regional, Nashoba Regional, Ayer Shirley Regional High School, Lunenburg High, and North Middlesex Regional, but trails The Bromfield High School, Westford Academy, and Littleton High School. Its closest neighbor, Ayer Shirley Regional High School about two miles away, trails Parker on Grade 10 ELA (58.33% vs. 76.12%), math (45.12% vs. 68.66%), science (55.00% vs. 65.67%), and dropout rate (3.3% vs. 0.0%). Free/reduced-lunch data are unavailable, so socioeconomic context can't be assessed.
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