King (Thomas Starr) Elementary vs Cobb (William L.) Elementary

King (Thomas Starr) Elementary edges Cobb (William L.) Elementary by 0.3 points overall — 9.3/10 versus 9.0/10 — but that modest gap obscures sharper differences beneath it. In statewide context, the separation is more pronounced: King (Thomas Starr) Elementary ranks #91 of 9,533 schools in California, while Cobb (William L.) Elementary ranks #241 of 9,533. Both land in the top 3% of the state, but King (Thomas Starr) Elementary sits in the top 1%, placing it among California's most exceptional elementary schools by combined score.

The academic scores tell the clearest story between these two San Francisco schools. King (Thomas Starr) Elementary scores 8.9/10 on academics versus Cobb (William L.) Elementary's 7.2/10 — a 1.7-point gap that reflects measurable differences in tested proficiency. Cobb (William L.) Elementary, however, flips the script on growth: its 10.0/10 growth score tops King (Thomas Starr) Elementary's already-strong 9.5/10. That means students at Cobb (William L.) Elementary are progressing faster relative to academic peers, even as their absolute proficiency baseline sits lower. Families prioritizing current achievement levels will favor King (Thomas Starr) Elementary; those focused on trajectory and momentum have reason to look closely at Cobb (William L.) Elementary.

The two schools serve meaningfully different demographic profiles. King (Thomas Starr) Elementary enrolls 335 students with 40% qualifying for free or reduced-price lunch. Cobb (William L.) Elementary is considerably smaller at 137 students, with 66% of students qualifying for FRL — a 26-percentage-point gap that signals a higher-need population. King (Thomas Starr) Elementary's student-teacher ratio of 16.8:1 is tighter than Cobb (William L.) Elementary's 19.6:1, meaning King (Thomas Starr) Elementary students have more adult attention per classroom on average, despite the larger total enrollment.

Both schools serve grades KG through 05 and sit 3.2 miles apart within San Francisco, making them a natural comparison for families in the city's central and western neighborhoods. The grade span is identical, so the choice comes down entirely to which profile — higher tested achievement with a better ratio, or stronger growth momentum with a more economically diverse student body — aligns with a family's priorities.