Contact & Location
111 S. De Anza Blvd., Mountain House, CA 95391(209) 836-7400
Enrollment & Schools
10
Total Schools
7,362
Total Enrollment
1-KG
Grade Range
School Breakdown
0
Preschools
1
Elementary
Schools
1
Middle
Schools
1
High
Schools
Rating Distribution
00%
111%
889%
School Types
By Type
Public
8Charter
2Private
0By Level
Elementary
1Middle
1High
1Reviews (Aggregated)
3.9
Average Rating
132
Total Reviews
Demographics (Aggregated)
Ethnicity Breakdown
Asian
53%
Hispanic / Latino
16%
White
12%
Black / African American
6%
Two or More Races
5%
Native American
1%
Gender Distribution
51%Male
49%Female
Free / Reduced Lunch
94%Students Eligible
Academic Performance (Aggregated)
Average Ratings
9.0
Overall9.0
Test Scores—
Equity10.0
College ReadinessAverage ACT Score
27.0
(out of 36)
Average SAT Score
—
(out of 1600)
Average Graduation Rate
99%
Students
AP / IB / Dual Enrollment
30%
Students
School Performance Summary
Below Average
0% (0)
Average
11% (1)
Above Average
89% (8)
Lammersville Joint Unified School District is committed to excellence, equity, and preparing every student for a successful future.
Schools in Lammersville Joint Unified School District
10 schoolsElementary Schools
(1)Middle Schools
(1)High Schools
(1)Other Schools
(7)9
Altamont Elementary School
Schoolpublic•616 students
9
Bethany Elementary School
Schoolpublic•768 students
10
Evelyn Costa Elementary
Schoolpublic•612 students
10
Hansen Elementary
Schoolpublic•930 students
8
Lammersville Elementary School
Schoolpublic•203 students
10
Sebastian Questa Elementary School
Schoolpublic•822 students
9
Wicklund Elementary School
Schoolpublic•689 students
Reported Incidents
Report an IncidentCommunity-reported and third-party-sourced concerns. All incidents are allegations, not established facts.
No incidents have been reported for Lammersville Joint Unified School District.
Data aggregated from 10 schools in Lammersville Joint Unified School District.
Source: GreatSchools, U.S. Department of Education, and school surveys.
Last updated: May 1, 2026Source: GreatSchools, U.S. Department of Education, and school surveys.