Summary:
ZIP code 90633 has nine schools—seven elementary schools and two middle schools—in La Habra City Elementary School District; the list includes no high schools. In 2025–26, the schools’ average proficiency was 42% in English language arts (ELA), 37% in math and 33% in science, below state rates of 49%, 38% and 36%. The biggest school-to-school spread was in science, where scores ranged from 16% to 65%. The main takeaway is that results vary substantially by school, especially in science, while the area’s average trails the state in all three core subjects.
Las Positas Elementary leads in ELA at 56% and math at 54%, and its 45% science score ranks second. El Cerrito Elementary is the science standout at 65%, compared with the state’s 36%; it also scores above the state in ELA and math. At the other end, Walnut Elementary has the lowest scores in all three subjects: 28% in ELA, 27% in math and 16% in science. SchoolDigger gives Las Positas 4 stars and places it at the 74th percentile, while Walnut has 1 star and ranks at the 23rd percentile. Among middle schools, Washington Middle scores higher than Imperial Middle in ELA, math and science.
From 2024–25 to 2025–26, the nine-school average slipped 1 point in ELA, rose 1 point in math and gained 8 points in science. Much of the science rise came from El Cerrito, whose score increased 41 points; without it, the other eight schools’ average rose 4 points, close to the state’s 3-point increase. SchoolDigger’s percentile rankings also differ over time: Las Positas rose 10 points from 2023–24 to 2025–26, while Sierra Vista fell 9. Every school reports free/reduced lunch eligible (FRL) for 2024–25; rates range from 70% at Ladera Palma Elementary to 91% at Walnut. Results also do not simply track class size: Las Positas has a 24.5 student-teacher ratio, while Las Lomas Elementary has a 19.1 ratio but lower scores. All-grades results cover different grade spans, so comparisons are most useful alongside the grades each school serves.
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