Irvine Unified
Irvine, CA · 45 schools · 36,462 students
Largest Schools
Schools ranked by enrollment. Proficiency data from EDFacts where available.
Frequently Asked Questions
Irvine Unified has 45 schools serving 36,462 students. The average proficiency rate across the district is 63%. The average graduation rate is 85%.
Irvine Unified operates 45 public schools, including Portola High, Northwood High, Woodbridge High, University High, Irvine High and others. The full school list is shown above with enrollment and grade-level details.
The average graduation rate across high schools in Irvine Unified is approximately 85% (EDFacts district-level data, most recent reporting year). Individual school graduation rates may vary; this is a district-wide adjusted-cohort graduation rate.
The largest school in Irvine Unified is Portola High with 2,293 students.
Irvine Unified serves 36,462 students across 45 schools in CA, per the latest NCES Common Core of Data enrollment.
Irvine Unified's average proficiency rate of 63% (math and reading combined, EDFacts) is well above the typical state threshold for proficiency, suggesting strong overall performance. "Good" depends on what you value — proficiency is one signal; enrollment trends, class size, graduation rates, and district resources also matter. Check individual school pages for granular data.
Student-teacher ratios are reported at the school level by NCES, not aggregated at the district level in our dataset. Open any individual school page in Irvine Unified to see its specific student-teacher ratio. The US national average is approximately 16:1 for public schools.
All data comes from the National Center for Education Statistics (NCES) Common Core of Data (enrollment, school count, demographics) and EDFacts assessment results (proficiency rates, graduation rates). Proficiency and graduation rates are reported at the district level. Both are federal sources used by the US Department of Education.
School performance data is sourced from NCES enrollment records and EDFacts proficiency and graduation rate assessments.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.