Summary:
ZIP code 94404 has five schools in the San Mateo-Foster City district: four elementary schools serving kindergarten through grade 5 and Bowditch Middle, serving grades 6–8; enrollment ranges from 306 to 929 students. The clearest overall strength is performance above state results: all five schools exceed the state in ELA, math and science, and the elementary schools’ average advantage is largest in math, at 37 percentage points.
Brewer Island Elementary leads the elementary schools in ELA, with 74% proficient, and math, with 77%; it is 5 points above the lowest ELA result at Foster City Elementary and 4 points above the lowest math result at Audubon Elementary. Foster City has the highest elementary science score, 63%, but science scores are tightly grouped, spanning only 2 points. Bowditch scores 74% in ELA, 72% in math and 66% in science—24, 33 and 30 points above state results, respectively; because it serves middle-school grades, those figures are not a direct comparison with elementary schools.
Recent changes vary by school: Beach Park Elementary had the sharpest science rise, gaining 25 points to 63%, while Audubon gained 9 points in ELA and 12 in science. Across all five schools, average math results were essentially flat, while science rose 10 points. SchoolDigger’s latest statewide rankings range from the 89th percentile at Audubon to the 94th at Bowditch; Beach Park rose from the 87th to the 91st percentile between 2023–24 and 2025–26. Elementary student-teacher ratios range from 21.5 to 23.1, and 2024–25 free/reduced lunch eligibility ranges from 12% at Foster City to 21% at Audubon; these are context measures, not explanations for score differences.
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