Summary
Franklin High is a comprehensive public high school serving grades 9–12 in Franklin, Massachusetts, with 1,453 students — the only high school in the Franklin district and the largest school among its nearby peers. Its statewide standing is strong and unusually durable: it ranks 62nd of 353 high schools in 2025–26 (82nd percentile, 4 stars) and has earned 4 stars every year on record since 2015–16, with percentile ranks staying between 75 and 89. Graduation outcomes are near the ceiling at a 99.2% graduation rate and a 0.3% dropout rate.
Locally, Franklin places third of ten nearby schools, behind Holliston High and, in most subjects, Medway High. Grade-10 proficiency came in at 60.8% ELA, 61.4% Math, 61.7% Science, and 60.8% Biology — roughly 11–15 points above the average of the other nine local schools and 15–23 points above state averages. What makes that notable is the cost: at $13,572 per student (2020–21), Franklin spends the least of any comparison school and runs the largest classes, with 14.8 students per teacher versus about 12.2 at neighboring comprehensive high schools. It also shares the town with Tri-County Regional Vocational Technical, a strong vocational option with a 100.0% graduation rate and a 0.0% dropout rate.
A few things are worth watching. Science remains Franklin's biggest edge over the state, but that edge has narrowed each year, from 34 points in 2022–23 to 21.2 points in 2025–26, with grade-10 Science falling 10.5 points in a single year while Biology stayed steady. Low-income students ranked at the 48th percentile (2 stars), down from the 73rd–74th percentiles in the two prior years and the only student group below the school's overall standing; special education students, meanwhile, have improved for three straight years to the 66th percentile. The student–teacher ratio also jumped from 13.3 to 14.8 in one year at an already-large school. Note that free/reduced-lunch data is unavailable for Franklin and its peers, so economic-need comparisons cannot be made from that field.
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