Colton Joint Unified

Colton, California · 19,297 students · 28 schools

Enrollment

19,297

Schools

Location

Colton, California

COSMIQ projected accountability rating

Below average

on California's per-indicator accountability scale

Confidence 94% Data completeness 100% Based on 2023–24 data

This is an independent estimate generated by COSMIQ's open Rating Predictor from public math & reading proficiency — it is not an official California rating, and states weight many additional factors.

How this is calculated →Run the live predictor →

Proficiency trend

Percent of students proficient on the state assessment.

School year	Math	Reading / ELA
2024–25	19.8%	32.6%

Where this district could improve

Math proficiency
Worth 50% of the formula; you're at 10% of max points.
ELA proficiency
Worth 50% of the formula; you're at 30% of max points.

Schools in this district

Bloomington HighBloomington, CA 1,976 students Colton HighColton, CA 1,800 students Grand Terrace High Sch at the Ray Abril Jr. Edal ComplexGrand Terrace, CA 1,726 students Terrace Hills MiddleGrand Terrace, CA 838 students Colton MiddleColton, CA 835 students Joe BacaBloomington, CA 753 students Terrace View ElementaryGrand Terrace, CA 680 students Alice Birney ElementaryColton, CA 652 students Grand Terrace ElementaryGrand Terrace, CA 650 students Sycamore Hills ElementaryFontana, CA 647 students Crestmore ElementaryBloomington, CA 638 students Paul Rogers ElementaryColton, CA 637 students

Methodology & sources

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<figure style="font-family:system-ui,-apple-system,sans-serif;border:1px solid #e2e8f0;border-radius:12px;padding:20px 22px;max-width:480px;background:#ffffff;color:#0f172a;margin:0;line-height:1.4"><div style="font-size:15px;font-weight:700">Colton Joint Unified</div><div style="font-size:13px;color:#64748b;margin-top:3px">Colton, California &middot; Public school district</div><div style="display:flex;flex-wrap:wrap;margin-top:14px"><div style="margin-right:20px"><div style="font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;margin-bottom:2px">Enrollment</div><div style="font-size:22px;font-weight:700;color:#0f172a">19,297</div></div><div><div style="font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;margin-bottom:2px">Projected Rating (per-indicator)</div><div style="font-size:22px;font-weight:700;color:#16a34a">Below average</div></div></div><figcaption style="font-size:11px;color:#94a3b8;margin-top:14px;padding-top:12px;border-top:1px solid #f1f5f9">Data: NCES / EDFacts (2024 data) &middot; <a href="https://getcosmiq.app/schools/CA/colton-joint-unified" style="color:#0891b2;text-decoration:none" target="_blank" rel="noopener">View full profile on COSMIQ &#8594;</a></figcaption></figure>

Cite this page

COSMIQ. (2026). Colton Joint Unified — school district profile. Retrieved August 23, 2026, from https://getcosmiq.app/schools/CA/colton-joint-unified

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About this profile. COSMIQ is an independent, free AI tutoring service and is not affiliated with, endorsed by, or sponsored by Colton Joint Unified, California, or any government education agency. All figures are drawn from public U.S. Department of Education data (NCES Common Core of Data and EDFacts). Any projected rating is an independent estimate, not an official score. COSMIQ does not collect or publish user reviews or ratings of schools.

Data last refreshed August 7, 2026.