Summary:
The 95391 zip code in Mountain House, CA is served by eight high-performing public schools, all part of the Lammersville Joint Unified school district, which includes one high school and seven K-8 elementary schools.
Overall, this is an exceptional district where every school far exceeds California state averages in English, math, and science proficiency. Within this strong group, Julius Cordes Elementary stands out as the top academic performer, followed closely by Hansen Elementary. At the high school level, Mountain House High is also a standout with a near-perfect graduation rate and very high test scores.
While all schools are excellent, there are performance differences; schools like Wicklund Elementary and Altamont Elementary score lower than the district leaders but still well above state standards. A key strength across the district is very low chronic absenteeism, which is linked to high achievement, with Julius Cordes having the best attendance rate. The universal K-8 model provides consistency, and the district's success carries through from elementary grades to the high school.
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