Elementary Schools in Mountain House, California: Mountain House students aren't just reaching proficiency — many go beyond it.
Mountain House, California has 7 ranked elementary schools with an average Scope Score of 67.8/100 — 29.0 points above the state average of 38.9. The highest-scoring school is Julius Cordes Elementary at 86/100, where 66.0% of students exceed the state standard on the 2025 CAASPP assessment. Mountain House schools average 48.0% exceeded standard (state: 21.4%) — this exceeded-vs-met distinction shows how many students go beyond the standard rather than only meeting it. Of 7 schools, 1 Growth Engine and 3 High Ceiling stand out for their performance profiles. Chronic absenteeism averages 7.5% (below the state average of 17.9%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
Start with your child’s school level
The overview describes elementary schools. The lists below separate elementary, middle and high schools, so each school’s standing stays within its own comparison group. Open a profile to see the underlying results, student support and questions to ask on a visit.
Every school in Mountain House
ranked by Scope Score · 2024–25 CAASPP · levels never mixed
Elementary Schools (7)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Julius Cordes Elementary Lammersville Joint Unified | 66.0% | 99th percentile · StrongScope Score 86/100 |
| 2 | Hansen Elementary Lammersville Joint Unified | 57.1% | 99th percentile · StrongScope Score 82/100 |
| 3 | Evelyn Costa Elementary Lammersville Joint Unified | 51.5% | 97th percentile · StrongScope Score 76/100 |
| 4 | Bethany Elementary Lammersville Joint Unified | 45.8% | 89th percentile · StrongScope Score 63/100 |
| 5 | Altamont Elementary Lammersville Joint Unified | 37.5% | 86th percentile · StrongScope Score 59/100 |
| 6 | Sebastian Questa Elementary Lammersville Joint Unified | 41.5% | 86th percentile · StrongScope Score 59/100 |
| 7 | Wicklund Elementary Lammersville Joint Unified | 36.8% | 77th percentile · StrongScope Score 50/100 |
High Schools (1)
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Mountain House High Lammersville Joint Unified | 47.5% | 96th percentile · StrongScope Score 81/100 |
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Data source: California Department of Education · CAASPP 2024-25 · Methodology
Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.
Elementary school archetypes in Mountain House
Hidden gems: 1 school in Mountain House is classified as Growth Engine — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.
Archetypes are data-driven labels based on Scope Score dimensions. Learn more
Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology