Summary
Sinsheimer Elementary serves 401 students in grades K–6 in San Luis Obispo, in a local group of elementary schools with varied test results and student-teacher ratios. Its 2025–2026 results are above state and district levels in English language arts (ELA), math, and science. The clearest standout is science: Sinsheimer had the highest result among nearby schools with scores from the same year.
Sinsheimer is strong across all three subjects, but it does not lead nearby schools in every area. Its proficiency was 71% in ELA, 65% in math, and 73% in science—about 22, 26, and 37 percentage points above California, respectively. Compared with San Luis Coastal Unified, it was ahead by 3 points in ELA, 7 in math, and 18 in science. Against the nearby-school averages, it was ahead by about 9 points in ELA, 9 in math, and 24 in science. Los Ranchos Elementary scored higher in ELA and math, while Sinsheimer led in science. Results also vary by grade: sixth-grade math was 53%, below the district’s 56%.
Scores have risen overall since 2022–2023: ELA increased 7 points to 71%, math 3 points to 65%, and science 31 points to 73%. Science’s path was especially uneven, including a 41-point jump from 2024–2025, so the latest result is impressive but not a smooth year-to-year trend. SchoolDigger ranks Sinsheimer in the 88th percentile statewide and gives it 4 stars; it is just behind nearby Los Ranchos at the 89th percentile. The 2024–2025 student-teacher ratio was 25:1, the second highest among nearby schools with reported ratios. The school’s free/reduced lunch eligible share was 26% in 2024–2025, third-lowest among nearby schools with the same measure and year. SchoolDigger’s Hispanic Students ranking rose from the 17th percentile in 2024–2025 to the 63rd in 2025–2026, while its overall ranking rose from the 83rd to the 88th percentile; the group’s latest standing remains below the school overall.
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