Mariposa

Mariposa is a public elementary school in San Carlos, California, serving 286 students in grades 4 and 5. With a composite score of 9.4 out of 10, the school earns an Exceptional rating, driven by a near-perfect academic score of 9.7 and an outstanding growth score of 9.9. The numbers behind that rating are striking.

Mariposa ranks #47 out of 9,533 public schools in California and #45 out of 5,817 elementary schools statewide — placing it among a very small group of schools at the very top of California's public education system. Locally, it holds the #1 spot among all 9 schools in San Carlos. Academic performance at Mariposa outperforms 100% of California schools, a benchmark that reflects strong instruction and consistent student progress.

The student-teacher ratio of 20.4 to 1 gives some context for how the school operates day to day. For families comparing upper-elementary options in San Carlos or the broader Bay Area, Mariposa's statewide rank and exceptional growth scores make it one of the most competitive public schools in California — not just in its immediate community, but measured against thousands of schools across the state.

The student-teacher ratio at Mariposa is 20.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.