Parker (Jean) Elementary vs Cobb (William L.) Elementary

Parker (Jean) Elementary and Cobb (William L.) Elementary sit 1.7 miles apart in San Francisco, yet their overall ratings diverge meaningfully: Parker rates 9.5/10 against Cobb's 9.0/10. The state rank gap is more striking — Parker ranks #30 of 9,533 California schools while Cobb comes in at #241 of 9,533, placing Parker in the top 0.3% of the state versus Cobb's top 2.5%. Both are strong performers by any reasonable standard, but Parker's position is exceptional by statewide comparison.

On academic proficiency, Parker (Jean) Elementary scores 9.2/10 versus Cobb (William L.) Elementary's 7.2/10 — a two-full-point gap that reflects a concrete difference in tested subject mastery. The growth picture reverses: Cobb scores 10.0/10 on growth against Parker's 9.7/10, meaning students at Cobb are advancing at a marginally faster rate relative to academic peers. Parents weighing current achievement levels against momentum will find a genuine trade-off between these two schools, with Parker leading on absolute performance and Cobb leading on student growth trajectory.

Parker (Jean) Elementary enrolls 125 students compared to Cobb (William L.) Elementary's 137, and Parker's student-teacher ratio of 17.9:1 is tighter than Cobb's 19.6:1 — roughly 1.7 fewer students per teacher on average. On economic diversity, Parker serves a higher share of students qualifying for free or reduced lunch at 80%, compared to 66% at Cobb. Both schools serve grades KG through 5, so the grade span is identical for families with children in either range.

Both schools cover the same grade bands, eliminating transition timing as a differentiator. The practical distinction for families comes down to the academic score gap of 2.0 points and Parker's notably higher state rank, weighed against Cobb's perfect growth score of 10.0/10. Families prioritizing measurable proficiency outcomes will find Parker's lead significant; those focused on year-over-year student progress will note Cobb's slight edge in that single dimension.