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Grossmont Union High Schools
Grossmont Union High is a public school district in California, based in San Diego County (El Cajon). SchoolGrade grades 15 of its schools on actual versus projected test scores; every school below has its own page.
Grossmont Union High on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Grossmont Union High
13 of 15 schools in Grossmont Union High carry a SchoolGrade (2 have too little test data to grade). Grade distribution:
B: 5C: 5D: 3
Best schools in Grossmont Union High
Statewide rankings: all 1051 high schools in California · all 513 middle schools in California · all 1758 elementary schools in California
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- B+ Grossmont Middle College High (High school, underperforms expectations)
- B Valhalla High (High school, exceeds expectations)
- B West Hills High (High school, meets expectations)
- B- Santana High (High school, meets expectations)
- B- Grossmont High (High school, meets expectations)
- C+ Granite Hills High (High school, meets expectations)
- C+ Monte Vista High (High school, meets expectations)
- C El Capitan High (High school, doesn't meet expectations)
- C Mount Miguel High (High school, doesn't meet expectations)
- C- El Cajon Valley High (High school, doesn't meet expectations)
Every school in Grossmont Union High
High schools (10)
- D+ Chaparral High, El Cajon
- C- El Cajon Valley High, El Cajon
- C El Capitan High, Lakeside
- C+ Granite Hills High, El Cajon
- B- Grossmont High, La Mesa
- C+ Monte Vista High, Spring Valley
- C Mount Miguel High, Spring Valley
- B- Santana High, Santee
- B Valhalla High, El Cajon
- B West Hills High, Santee
Middle and junior high schools (1)
- B+ Grossmont Middle College High, El Cajon
Other schools and academies (4)
- Elite Academy, El Cajon
- D Idea Center, El Cajon
- D+ Merit Academy, El Cajon
- Reach Academy, El Cajon
Where Grossmont Union High schools are
Cities and towns served (5)
- El Cajon (9)
- Santee (2)
- Spring Valley (2)
- La Mesa (1)
- Lakeside (1)
About this district
- State: Best schools in California
- County: San Diego County
- Type: regular local school district
- Setting: large suburb (NCES locale of the district office)
- Enrollment: 16,566 students with 123 full-time-equivalent teachers and 620 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0616230
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Cajon Valley Union (25 schools, 5 mi)
- Alpine Union Elementary (5 schools, 8 mi)
- Lakeside Union Elementary (9 schools, 10 mi)
- La Mesa-Spring Valley (22 schools, 10 mi)
- Santee (11 schools, 12 mi)
- Lemon Grove (6 schools, 13 mi)
- Chula Vista Elementary (41 schools, 13 mi)
- Sweetwater Union High (28 schools, 15 mi)
Questions about Grossmont Union High
How many schools are in Grossmont Union High?
SchoolGrade grades 15 public schools in Grossmont Union High, across 5 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Grossmont Union High serve?
The largest by graded schools: El Cajon, Santee, Spring Valley, La Mesa, Lakeside.
How good are the schools in Grossmont Union High?
Across the 13 graded schools, the average SchoolGrade is C+, with 36.5% of tested students meeting the state bar against a projected 42.2%. 46% of schools meet or exceed the expectation for their student context.
How many students attend Grossmont Union High?
16,566 students were enrolled in Grossmont Union High in the 2023-24 school year, about 134.7 students per full-time teacher (NCES Common Core of Data).
Where is Grossmont Union High?
Grossmont Union High is in California, based in San Diego County, with its district office in El Cajon. Its boundary covers about 467 sq mi.