Colton Joint Unified
Colton Joint Unified has 22 ranked schools across elementary and high levels with an average Scope Score of 33.3/100 — 10.5 points below the California state average of 43.8. The highest-scoring school is Grand Terrace High School at the Ray Abril Jr. Edu at 56/100, where 16.4% of students exceed the state standard. The district spends $14,285 per student (below the state average of $14,815). Chronic absenteeism averages 22.9%, above the state average. Data source: CDE CAASPP 2025 and NCES fiscal data, analyzed by SchoolScope.
| Level | Avg Score | Schools | Exceeded | Absent |
|---|---|---|---|---|
| Elementary | Developing 30.8/100 | 18 | 10.2% | 21.8% |
| High | Developing 44.3/100 | 4 | 9.1% | 27.9% |
K–12 pipeline
The typical school path in Colton Joint Unified, top-scoring shown first.
District Analysis
Strongest level: Colton Joint Unified's high schools lead the district with an average Scope Score of 44.3.
Growth story: District-wide elementary growth averages -6.1pp (state avg: -3.0pp), a negative trend that warrants attention.
Consistency: Score range of 37.9 points — showing significant variation between schools.
Absenteeism: District chronic absenteeism averages 22.9%, 4.8pp below the state average of 18.1%.
Suspensions: District suspension rate averages 2.6%, near the state average of 1.7%.
Top school: Grand Terrace High School at the Ray Abril Jr. Edu leads the district at 56 with 16.4% exceeding standard.
How we score · Scope Score methodology
School archetypes in Colton Joint Unified
Hidden gems: 1 school in Colton Joint Unified is classified as On the Rise — 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
Student demographics
District averages · California Department of Education enrollment data
District Funding
Colton Joint Unified spends $14,285 per student in current expenditures — $530 below the state average of $14,815.
Data source: NCES Common Core of Data, Fiscal Survey (F-33) · 2019–2020
Teacher compensation
CDE Form J-90 salary schedule · 2024–25
Elementary Schools (18)
Colton Joint Unified has 18 ranked elementary schools averaging a Scope Score of 30.8 — 13.0 points below the state average of 43.8.
Growth averages -6.1pp district-wide — a negative trend worth examining.
The highest-scoring elementary school is Ruth Grimes Elementary with a Scope Score of 40 and 20.4% exceeding standard.
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Ruth Grimes Elementary Colton Joint Unified Building Momentum | 20.4% | Developing 40/100 |
| 2 | Sycamore Hills Elementary Colton Joint Unified Building Momentum | 11.5% | Developing 38/100 |
| 3 | Michael D'Arcy Elementary Colton Joint Unified On the Rise | 8.6% | Developing 38/100 |
| 4 | Ulysses Grant Elementary Colton Joint Unified Building Momentum | 13.7% | Developing 36/100 |
| 5 | Crestmore Elementary Colton Joint Unified Building Momentum | 14.2% | Developing 36/100 |
| 6 | Gerald A. Smith Elementary Colton Joint Unified Building Momentum | 13.2% | Developing 36/100 |
| 7 | Terrace View Elementary Colton Joint Unified Building Momentum | 17.3% | Developing 34/100 |
| 8 | Paul Rogers Elementary Colton Joint Unified Building Momentum | 11.8% | Developing 33/100 |
| 9 | William McKinley Elementary Colton Joint Unified Building Momentum | 8.4% | Developing 30/100 |
| 10 | Grand Terrace Elementary Colton Joint Unified Building Momentum | 10.5% | Developing 30/100 |
| 11 | Woodrow Wilson Elementary Colton Joint Unified Building Momentum | 11.8% | Developing 30/100 |
| 12 | Mary B. Lewis Elementary Colton Joint Unified Building Momentum | 5.3% | Needs Support 30/100 |
| 13 | Walter Zimmerman Elementary Colton Joint Unified Building Momentum | 7.1% | Needs Support 29/100 |
| 14 | Reche Canyon Elementary Colton Joint Unified Building Momentum | 7.6% | Needs Support 26/100 |
| 15 | Jurupa Vista Elementary Colton Joint Unified Building Momentum | 6.1% | Needs Support 26/100 |
| 16 | Abraham Lincoln Elementary Colton Joint Unified Building Momentum | 7.2% | Needs Support 23/100 |
| 17 | Alice Birney Elementary Colton Joint Unified Building Momentum | 4.1% | Needs Support 21/100 |
| 18 | Cooley Ranch Elementary Colton Joint Unified Building Momentum | 4.0% | Needs Support 18/100 |
High Schools (4)
Colton Joint Unified has 4 ranked high schools averaging a Scope Score of 44.3 — 3.1 points below the state average of 47.5.
The highest-scoring high school is Grand Terrace High School at the Ray Abril Jr. Edu with a Scope Score of 56 and 16.4% exceeding standard.
| # | School | Exceeded | Score |
|---|---|---|---|
| 1 | Grand Terrace High School at the Ray Abril Jr. Edu Colton Joint Unified Building Momentum | 16.4% | Solid 56/100 |
| 2 | Colton High Colton Joint Unified Building Momentum | 11.2% | Developing 50/100 |
| 3 | Bloomington High Colton Joint Unified Building Momentum | 8.9% | Developing 49/100 |
| 4 | Slover Mountain High (Continuation) Colton Joint Unified Building Momentum | 0.0% | Needs Support 22/100 |
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.
What Scope Scores can't tell you about Colton Joint Unified
- Class sizes and student-teacher interaction quality
- Quality of arts, music, athletics, and enrichment programs
- Teacher experience, turnover, and professional development
- Campus safety, bullying climate, and social-emotional support
- Parent and community engagement levels
- Quality of special education and gifted programs
- How resources are distributed across schools within the district
Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology