The top reported proficiency rate is 41% in Science. The lowest is 34% in Math.
Original Research by School Decision on Cobb (william L.) Elementary
William L. Cobb Elementary sits on California Street in a walkable, transit-rich urban neighborhood where parents often lack a car. The school serves kindergarten through fifth grade and enrolls a small but diverse cohort from around the California Street corridor. More than half its students qualify for free or reduced-price lunch, a marker of economic need shared with many San Francisco families facing high housing costs. The student body is split roughly evenly between Black and Hispanic students, with smaller shares of Asian, multiracial, and white students, and a very small Indigenous or Pacific Islander population.
State test results show a school working hard against a steep hill. In English language arts across the tested grades, overall proficiency sits well below where parents might hope, and math results are even softer. Third-grade math proficiency sits at around the midpoint, but fourth-grade math proficiency drops sharply and fifth-grade recovery is only partial. Fifth-grade science proficiency is also modest. By the county comparison measure of overall proficiency across tested subjects and grades, Cobb sits above the midpoint among San Francisco County districts, but that reflects the reality that the entire county is dealing with depressed results; it does not mean Cobb's students are reaching strong proficiency in reading and math.
A parent considering this school should ask directly about the intervention supports the school offers students who are not yet proficient, how the school targets the transition points where results dip (particularly between third and fourth grade), and what classroom strategies are in use. Title I status information was not available in the data, so that is a reasonable question too. The school does not report special-education identification rates or English learner enrollment counts, so those details would be worth clarifying with the administration.
The neighborhood itself is part of a larger urban pattern. San Francisco combines dense, walkable commercial corridors with residential blocks that shift in character block to block. The area around California Street sits in one of the more established western neighborhoods, mixing single-family homes and apartment buildings with older housing stock and steadily climbing property values. Families in the zone can walk to shops and services, and transit access is direct. Housing remains expensive even by San Francisco standards, and rents have climbed notably in recent months. The school draws from a community where most working parents are employed in professional services, government, tech, or health care, alongside the municipal government and school district itself as major employers. This is not an affluent neighborhood by Silicon Valley measure, but it is a neighborhood where many families work in jobs requiring stability and credentials.
What Cobb offers is neighborhood-scale education in a small elementary serving its immediate community. The school is publicly operated, not charter, and serves about the grade sizes typical for an urban school in the city. Whether this school's particular approach to struggling proficiency will match a family's own reading of what their child needs is a conversation to have directly with the school, alongside a sense of the building culture, teacher stability, and peer group. Test results alone do not tell that story.
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