Summary:
Three middle schools serve ZIP code 95209: Christa McAuliffe Middle and Delta Sierra Middle serve grades 7–8, while Elkhorn serves grades 4–8. In 2025–26, two schools were below California results in all three tested subjects, while one was far above. The most important finding is how uneven achievement is across these schools, with school-to-school gaps of 70 percentage points in ELA, 74 in math and 78 in science.
Elkhorn stands out at the top: its all-grades proficiency was 95% in ELA, 89% in math and 87% in science, compared with California’s 49%, 38% and 36%. It led the next-highest school by 57 points in ELA, 56 in math and 62 in science. Its lead also holds in shared grades: in grade 7, it scored 96% in ELA and 92% in math; in grade 8, 97% and 89%. Delta Sierra Middle was lowest, at 25% in ELA, 15% in math and 9% in science—24, 24 and 27 points below state results. Christa McAuliffe Middle fell between them, but remained below the state in each subject.
Results changed modestly and unevenly from 2024–25 to 2025–26: Christa McAuliffe Middle fell 4 points in ELA but rose 3 in math and 6 in science; Delta Sierra Middle slipped about 1 point in ELA and math, while science was nearly unchanged; Elkhorn was also nearly steady. The three-school average remained above the state in all subjects, but its advantage narrowed. SchoolDigger ranked Elkhorn 5th of 2,703 California schools in 2025–26, compared with 1,527th for Christa McAuliffe and 2,438th for Delta Sierra. Context differs too: in 2024–25, free/reduced lunch eligible shares were 45% at Elkhorn, 59% at Christa McAuliffe and 93% at Delta Sierra; Elkhorn also had the highest student-teacher ratio, 25.8, versus 20.6 and 18.5. In 2025–26, chronic absenteeism ranged from 6% at Elkhorn to 90% at Christa McAuliffe, with Delta Sierra at 42%.
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