Summary:
Zip code 01267 covers Williamstown, Massachusetts, and is served by two public schools — Mt Greylock Regional High, which serves grades 7–12, and Williamstown Elementary, which serves PK–6 — both part of the Mount Greylock district, which has no separate middle school because the middle grades are housed in the high-school building.
Both schools are rated 4 stars and rank above the state average. Mt Greylock Regional High is ranked 69 of 353 high schools in 2025–26, the 80th percentile, an improvement from 90 of 349 and the 74th percentile the year before. Its graduation rate is 95.8%, with a 4.2% dropout rate. All-grade proficiency is 57.35% in ELA, 57.35% in math, and 59.22% in science, all far above the state’s 40.03%, 41.11%, and 40.98%. Math climbed from 42.79% and science from 46.36% year over year, while ELA held steady, and grade-10 results are especially strong at 67.44% in math and 65.52% in ELA. Its lowest grade-level results are in 7th grade, at 52.00% in ELA and 54.00% in math, though both still beat the state.
Williamstown Elementary ranks 227 of 899 elementary schools, the 75th percentile, and posts the highest single results in the data: 79.25% in 3rd-grade math and 75.47% in 3rd-grade ELA. Its all-grade ELA of 60.63% is the highest of the two schools. The main weak spot is 5th-grade math at 32.69%, below the district’s 37.04% and the state’s 39.50% — the only reported 2025–26 result below state level. Elementary science also fell from 61.54% to 48.08%. Spending data, from 2020–21, show $21,340 per student at the elementary school versus $20,369 at the high school, with student-teacher ratios of 10.4 and 11.4.
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