Summary
Westborough Middle is a 498-student public school serving grades 6–8 in South San Francisco, part of the South San Francisco Unified district. Its most important strength is that 2025–2026 proficiency rates in English language arts (ELA), math, and science were all above both state and district results.
Science is Westborough’s clearest advantage over nearby schools, while ELA is its least distinctive local result. It scored 46% in science, 12 points above the nearby-school average, and ranked third of 10; in math, it scored 49%, 8 points above average, ranking fourth; in ELA, it scored 56%, 7 points above average, ranking fifth. Westborough also exceeded state results by 7 points in ELA, 10 in math, and 10 in science, and district results by 7, 9, and 8 points, respectively.
Results remain strong against benchmarks, but scores have fallen since 2022–2023: ELA declined by 6 points, math by 8, and science by 3. Over that period, the school’s lead over the state narrowed by 8 points in ELA, 12 in math, and 9 in science. SchoolDigger places Westborough at the 77th percentile with 4 stars, down from the 87th percentile in 2022–2023; the district is at the 56th percentile with 3 stars. A notable concern in SchoolDigger’s group rankings is special education: the school ranked at the 21st percentile for this group, down from the 43rd percentile in 2023–2024. Its 2024–2025 student-teacher ratio was 16.1, the second-lowest among nearby schools with reported figures. In 2024–2025, 27% of students were free/reduced lunch eligible, compared with a nearby-school average of 42%.
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