Simi Valley Unified

Simi Valley, California · 15,899 students · 28 schools

Enrollment

15,899

Schools

Location

Simi Valley, 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	36.7%	50.2%

Where this district could improve

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

Schools in this district

Royal HighSimi Valley, CA 1,973 students Simi Valley HighSimi Valley, CA 1,935 students Valley View MiddleSimi Valley, CA 1,140 students Santa Susana HighSimi Valley, CA 1,073 students Hillside MiddleSimi Valley, CA 897 students Sinaloa MiddleSimi Valley, CA 775 students Hollow Hills ElementarySimi Valley, CA 637 students Vista ElementarySimi Valley, CA 621 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">Simi Valley Unified</div><div style="font-size:13px;color:#64748b;margin-top:3px">Simi Valley, 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">15,899</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/simi-valley-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). Simi Valley Unified — school district profile. Retrieved August 23, 2026, from https://getcosmiq.app/schools/CA/simi-valley-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 Simi Valley 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.