The public K-12 schools with the highest student-to-teacher ratios in California
59 public K-12 schools in California appear in this ranking of the public K-12 schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Hayward Twin Oaks Montessori leads the list at 34.9:1, against a median of 14.5:1 across the ranked schools.
The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.
Highest ratio rankings at a wider scope
Other rankings for California
allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.