Best High Schools in Zip Code 93240

Zip code 93240 has one high school, Kern Valley High, serving grades 9–12 and 516 students. The most important finding is that the school was below California’s state results in every reported 2025–26 comparison, with its largest all-grades gap in mathematics: 17% proficient versus 38% statewide, a 21-point deficit.

With just one school listed, Kern Valley High is both the area’s highest- and lowest-performing school by default; the data cannot establish differences among local schools. Its all-grades ELA result was 34% versus 49% statewide, and science was 24% versus 36%. In grade 11, the school trailed the state by 24 points in ELA, 15 points in math, and 13 points in science. Attendance and completion are also concerns: chronic absenteeism was 35% versus 18% statewide, graduation was 81% versus 88%, and dropout was 13% versus 8%.

Test scores rose in all three subjects from 2024–25 to 2025–26: ELA increased from 30% to 34%, math from 12% to 17%, and science from 23% to 24%. The school narrowed its state gap by 4 points in both ELA and math, but the science gap widened by 2 points as state results improved faster. SchoolDigger ranked the school 1,432 of 2,137 schools, at the 33rd percentile, and gave it 2 stars in 2025–26; its rank improved by 42 places from the previous year, though it remained 81 places below its 2023–24 rank. The school reported 77% free/reduced lunch eligible in 2024–25, an income measure that provides context but does not explain the results.