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Email BoardPortola High
1001 Cadence, Irvine, CA 92618-0833
Summary
Portola High is a good school.
Reading and math results average to the 93rd percentile among comparable California schools.
77.5% of students met California's reading standard, but it is trending down.
66.3% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 77.5% |
| Current Math Proficiency | 66.3% |
| Reading State Rank | 169/1,596 (89th percentile) |
| Math State Rank | 61/1,596 (96th percentile) |
School information
| Student / Teacher Ratio | 27:1 |
| Student enrollment (2024–25) | 2,693 |
| Low-Income Students | 481 (17.9%) |
| English Learners | 190 (7.1%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 2.3 points from last year and fell 3.6 points over the full period. Math rose 3.4 points from last year and fell 2.0 points over the full period.
•Math -2.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Two or more races and Asian students have the strongest results.
Distribution of Scores by Grade
77.5% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 11% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.4-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
6.9% of English learners meet the reading standard, compared with 80.6% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 74% proficiency. The other reported groups range from about 49% to 68%.
Distribution of Scores by Grade
66.4% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 4% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 17.4-point math income gap is slightly wider than the 14.2-point gap at a typical California 9–12 school. It narrowed slightly over the period shown.
•English Learners vs English Native
28.1% of English learners meet the math standard, compared with 64.0% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Portola High compare within the district?
Portola High is No. 2 in reading and No. 3 in math proficiency among the 6 9–12 schools in Irvine Unified with 2026 results.
Explore the district’s schoolsHow does Portola High rank in California?
Portola High ranks No. 169 of 1,596 in reading and No. 61 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Portola High compare within the district?
Low-income students here rank No. 1 in reading and No. 2 in math among 6 9–12 district schools with reportable 2026 results for this group. 65.0% meet the reading standard and 52.1% meet the math standard.
See results by student groupHow does Portola High compare with other schools in Irvine?
Portola High is No. 2 in reading and No. 3 in math proficiency among the 7 9–12 schools in Irvine with 2026 results.
Explore schools in IrvineHow does Portola High compare with other schools in Orange County?
Portola High is No. 11 in reading and No. 5 in math proficiency among the 65 9–12 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Portola HighThis school | 66.3% | 77.5% |
| Creekside High | 25.0% | 15.8% |
| Irvine High | 56.5% | 63.8% |
