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Colton Joint Unified Schools
Colton Joint Unified is a public school district in California, based in San Bernardino County (Colton). SchoolGrade grades 27 of its schools on actual versus projected test scores; every school below has its own page.
Colton Joint Unified 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 Colton Joint Unified
9 of 27 schools in Colton Joint Unified carry a SchoolGrade (18 have too little test data to grade). Grade distribution:
C: 4D: 4F: 1
Best schools in Colton Joint Unified
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.
- C+ Grand Terrace High Sch At The Ray Abril JR Edal Complex (High school, exceeds expectations)
- C+ Bloomington High (High school, exceeds expectations)
- C Colton High (High school, meets expectations)
- C- Washington High (K-12 school, exceeds expectations)
- D+ Joe Baca (Middle school, exceeds expectations)
- D+ Terrace Hills Middle (Middle school, meets expectations)
- D Colton Middle (Middle school, meets expectations)
- D Ruth O Harris Middle (Middle school, meets expectations)
- F Slover Mountain High Continuation (High school, underperforms expectations)
Every school in Colton Joint Unified
High schools (4)
- C+ Bloomington High, Bloomington
- C Colton High, Colton
- F Slover Mountain High Continuation, Bloomington
- C- Washington High, Colton
Middle and junior high schools (4)
- D Colton Middle, Colton
- C+ Grand Terrace High Sch At The Ray Abril JR Edal Complex, Grand Terrace
- D Ruth O Harris Middle, Bloomington
- D+ Terrace Hills Middle, Grand Terrace
Elementary and primary schools (18)
- Abraham Lincoln Elementary, Colton
- Alice Birney Elementary, Colton
- Cooley Ranch Elementary, Colton
- Crestmore Elementary, Bloomington
- Gerald A Smith Elementary, Bloomington
- Grand Terrace Elementary, Grand Terrace
- Jurupa Vista Elementary, Fontana
- Mary B Lewis Elementary, Bloomington
- Michael Darcy Elementary, Fontana
- Paul Rogers Elementary, Colton
- Reche Canyon Elementary, Colton
- Ruth Grimes Elementary, Bloomington
- Sycamore Hills Elementary, Fontana
- Terrace View Elementary, Grand Terrace
- Ulysses Grant Elementary, Colton
- Walter Zimmerman Elementary, Bloomington
- William Mckinley Elementary, Colton
- Woodrow Wilson Elementary, Colton
Other schools and academies (1)
- D+ Joe Baca, Bloomington
Where Colton Joint Unified schools are
Cities and towns served (4)
- Colton (11)
- Bloomington (9)
- Grand Terrace (4)
- Fontana (3)
About this district
- State: Best schools in California
- County: San Bernardino County
- Type: regular local school district
- Setting: large suburb (NCES locale of the district office)
- Enrollment: 18,912 students with 894 full-time-equivalent teachers and 2,056 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0609390
- 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
- Fontana Unified (44 schools, 8 mi)
- Jurupa Unified (24 schools, 9 mi)
- Riverside Unified (48 schools, 9 mi)
- Moreno Valley Unified (38 schools, 10 mi)
- San Bernardino City Unified (72 schools, 11 mi)
- Alvord Unified (23 schools, 13 mi)
- Etiwanda Elementary (17 schools, 13 mi)
- Cucamonga Elementary (4 schools, 13 mi)
Questions about Colton Joint Unified
How many schools are in Colton Joint Unified?
SchoolGrade grades 27 public schools in Colton Joint Unified, across 4 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Colton Joint Unified serve?
The largest by graded schools: Colton, Bloomington, Grand Terrace, Fontana.
How good are the schools in Colton Joint Unified?
Across the 9 graded schools, the average SchoolGrade is D+, with 26.4% of tested students meeting the state bar against a projected 26.6%. 89% of schools meet or exceed the expectation for their student context.
How many students attend Colton Joint Unified?
18,912 students were enrolled in Colton Joint Unified in the 2023-24 school year, about 21.2 students per full-time teacher (NCES Common Core of Data).
Where is Colton Joint Unified?
Colton Joint Unified is in California, based in San Bernardino County, with its district office in Colton. Its boundary covers about 46.8 sq mi.