Summary:
ZIP code 01432 has only one listed high school, Ayer Shirley Regional High School, serving grades 9–12 with 417 students in the Ayer Shirley School District in Ayer, MA. Because there is just one school here, comparisons below are with district and state averages rather than other local high schools.
The school ranks 84th out of 353 Massachusetts high schools in 2025–2026, placing it in the 76th percentile with 4 stars. That is up from 136th out of 349 (61st percentile, 3 stars) in 2024–2025 and above its 2023–2024 rank of 104th out of 348 (70th percentile, 4 stars). Academically, it outperforms the state in nearly every reported MCAS Next Generation area. In 2025–2026, Biology End of Course proficiency was 65.63% at the school, 63% in the district, and 37.68% in the state, about 27.95 points above state. Science 10th grade was 55% school, 55% district, and 40.5% state, 14.5 points above state. ELA 10th grade was 58.33% school, 57.65% district, and 45.48% state, 12.85 points above state. Math 10th grade was 45.12% school, 44.58% district, and 43.73% state, 1.39 points above state. In 2024–2025, math was below state at 39.56% versus 44.6%, so the latest result is a notable recovery.
Graduation and dropout outcomes look solid. The 2024–2025 graduation rate was 95.9% at the school, above the district’s 94.3%, and the dropout rate was 3.3%, equal to the district. The student-teacher ratio is 11.4 for 2024–2025, which may be favorable, though no state or district comparison is provided. Per-student spending is $19,721 for 2020–2021, an older figure with no trend available. Free/reduced lunch is blank in this record and should not be read as 0%, so socioeconomic context cannot be evaluated. Bottom line: this is the only high school in ZIP 01432, and it currently earns 4 stars with strong MCAS results above state in ELA, science, biology, and now math; math was the main watch item and improved.
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