2026 data report

Science proficiency (% met/exceeded) in California public schools

Statewide trends and county leaderboards for science proficiency (% met/exceeded), sourced directly from CDE SARC. Higher is better.

From CDE SARC, cycles 22-23, 23-24, 24-25. Last refreshed 2026-05-15.

Statewide trend

Median (plum line) and p25–p75 band (mist), all California public schools per cycle.

Best 25 counties — Science proficiency (% met/exceeded)

  1. 1Marin47.6
  2. 2Placer43.1
  3. 3Santa Clara41.8
  4. 4Trinity40.1
  5. 5San Francisco39.2
  6. 6Orange39.1
  7. 7San Mateo37.3
  8. 8Nevada34.3
  9. 9San Luis Obispo33.5
  10. 10Mono33.2
  11. 11Santa Cruz31.4
  12. 12San Diego31.2
  13. 13Ventura28.7
  14. 14Sonoma28.2
  15. 15Humboldt27.6
  16. 16Shasta26.9
  17. 17Mariposa26.2
  18. 18Yolo25.6
  19. 19Napa24.8
  20. 20Santa Barbara24.3
  21. 21Plumas24.3
  22. 22Sutter24.1
  23. 23San Benito24.0
  24. 24Los Angeles23.3
  25. 25Lassen22.8

Worst 25 counties — Science proficiency (% met/exceeded)

  1. 1Lake13.1
  2. 2Monterey15.9
  3. 3Merced17.1
  4. 4Stanislaus17.5
  5. 5Siskiyou17.6
  6. 6Imperial17.9
  7. 7Tulare17.9
  8. 8Mendocino18.0
  9. 9Glenn18.1
  10. 10Madera18.5
  11. 11San Joaquin18.6
  12. 12Kings18.7
  13. 13Tehama18.8
  14. 14San Bernardino18.9
  15. 15Kern19.2
  16. 16Fresno19.4
  17. 17Inyo19.9
  18. 18Riverside20.2
  19. 19Yuba20.9
  20. 20Tuolumne21.1
  21. 21Modoc21.7
  22. 22Solano22.2
  23. 23Sacramento22.2
  24. 24Lassen22.8
  25. 25Los Angeles23.3

How we score this

Every California public school's raw number is mapped to a 0–10 score using the absolute anchor table below — no peer-relative ranking.

Science proficiency (% met/exceeded)

Higher is better

Column: SSCI_Y1

PercentileRaw valueScore
5th4.410
50th24.245
95th67.0710

Values between the 5th and 95th percentile are linearly interpolated. Outside that range, scores clamp at 0 or 10.

Read the full methodology →