Summary:
Zip code 91905 has one listed school, Clover Flat Elementary, serving grades K–6 and 190 students; comparisons are with California and the Mountain Empire Unified district. In 2025–26, the school’s all-grade proficiency was 28% in English language arts (ELA), 16% in mathematics and 10% in science, compared with 49%, 38% and 36% statewide. That puts the school 22 percentage points below California in ELA, 22 below in mathematics and 26 below in science. ELA is closest to the state, and science is furthest behind; the most important finding is that results are below state levels in all three subjects.
Within Clover Flat, grade 3 is the relative bright spot: 43% were proficient in ELA, just 1 point below the state and 10 points above the district. The sharpest weakness is in the upper grades: grade 6 ELA proficiency was 8%, 40 points below the state, while grade 5 was 15%, 34 points below. Grade 3 mathematics was 34%, 13 points below the state; grades 5 and 6 were each 0%, about 37 points below. Because this is the only listed school, there are no other local schools to identify as higher or lower performers.
Results improved in ELA and mathematics but declined in science from 2024–25 to 2025–26: Clover Flat gained 10 percentage points in ELA and 9 in mathematics, while science fell 2 points. Its gaps with the state narrowed by 9 points in ELA and 8 in mathematics, but widened by 5 in science. SchoolDigger’s rating rose from 0 stars and the 3rd percentile in 2024–25 to 1 star and the 17th percentile in 2025–26, though it remains low in the statewide ranking. Other context: chronic absenteeism was 42% in 2025–26, compared with 20% districtwide and 18% statewide; the student-teacher ratio was 23.7 in 2024–25, and 62% of students were free/reduced lunch eligible that school year.
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