Summary:
ZIP code 92841 has eight K–6 elementary schools in Garden Grove Unified. In 2025–26, their average proficiency was 50% in ELA, 43% in math, and 35% in science—just above the state in ELA, 5 points above in math, and 1 point below in science. The averages were below the district’s results in all three subjects. The most important takeaway is that the area-wide picture hides large differences between schools, especially in ELA and math.
Stanford Elementary led ELA at 60% and math at 58%, respectively 11 and 19 points above state results; its ELA score was 1 point higher than second-place Louis G. Zeyen Elementary, at 59%. Gilbert Elementary led science at 44%, 8 points above the state, and ranked second in math. At the lower end, Linton T. Simmons Elementary had the lowest ELA result, 35%; Zeyen had the lowest math result, 31%; and Ernest O. Lawrence Elementary had the lowest science result, 29%. The highest-to-lowest spreads were 25 points in ELA and 27 in math.
Recent changes vary by school and subject: Brookhurst Elementary improved 8 points in ELA and 4 in math, while Simmons fell 6 points in ELA and 4 in math but gained 14 in science. Across the eight schools, ELA was nearly unchanged on average, math edged down, and science rose 4 points. SchoolDigger ranked Stanford and Gilbert at the 77th and 75th statewide percentiles; Simmons ranked at the 39th. School context measures do not form a simple performance ladder: Gilbert’s student–teacher ratio was 22.2, compared with 26.2 at Stanford, and Zeyen had the second-highest ELA result despite an 80% free/reduced lunch eligible share in 2024–25. Across schools, that reported share ranged from 73% to 94%.
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