Best Public Schools in Zip Code 91737

Zip code 91737 in the Alta Loma/Rancho Cucamonga area is served by five highly-rated public schools—three elementary schools, one middle school, and one high school—providing a strong K-12 pathway for over 5,200 students.

For families, the standout school is Los Osos High, a top-10% high school in California with an exceptional 96% graduation rate and very high English scores, though it does have a higher-than-average chronic absenteeism rate. Among elementary schools, Caryn Elementary leads in test scores and has the best student attendance, achieving this with the lowest per-student spending in the area; it is part of the higher-ranked Etiwanda Elementary district. Vineyard Junior High is a solid middle school with good attendance, while Banyan Elementary and Hermosa Elementary (both in the Alta Loma Elementary district) also perform well above state averages.

Overall, all schools in this zip code significantly outperform California state averages in core subjects. A common trend is that English scores are stronger than math scores across all grade levels, with a noticeable dip in math proficiency in middle school that recovers somewhat in high school. The data shows a clear link between better attendance and stronger academic performance, making it a key factor for student success in these already high-performing schools.