Is this your school? Email the board to prioritize reading!
Email BoardKillybrooke Elementary
3155 Killybrooke Lane, Costa Mesa, CA 92626-2613
Summary
Reading and math results average to the 72nd percentile among comparable California schools.
60.4% of students met California's reading standard, and it is slowly trending up.
52.4% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 60.4% |
| Current Math Proficiency | 52.4% |
| Reading State Rank | 1,170/4,657 (75th percentile) |
| Math State Rank | 1,409/4,657 (70th percentile) |
School information
| Student / Teacher Ratio | 17:1 |
| Student enrollment (2024–25) | 473 |
| Low-Income Students | 338 (71.5%) |
| English Learners | 120 (25.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 2.6 points from last year and rose 3.2 points over the full period. Math fell 3.5 points from last year and fell 3.7 points over the full period.
•Math -3.7 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 51.8% to 68.6% across the grades shown. Overall, the school’s reading results rank in the top 26% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.4-point reading income gap is slightly wider than the 17.6-point gap at a typical California K–6 school. It narrowed over the period shown.
•English Learners vs English Native
19.5% of English learners meet the reading standard, compared with 67.7% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 78% proficiency. The other reported groups range from about 43% to 71%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 46.8% to 60.8% across the grades shown. Overall, the school’s math results rank in the top 31% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.9-point math income gap is slightly wider than the 17.5-point gap at a typical California K–6 school. It narrowed over the period shown.
•English Learners vs English Native
21.9% of English learners meet the math standard, compared with 61.3% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Killybrooke Elementary compare within the district?
Killybrooke Elementary is No. 11 in both reading and math proficiency among the 19 K–6 schools in Newport-Mesa Unified with 2026 results.
Explore the district’s schoolsHow does Killybrooke Elementary rank in California?
Killybrooke Elementary ranks No. 1,170 of 4,657 in reading and No. 1,409 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Killybrooke Elementary compare within the district?
Low-income students here rank No. 9 in both subjects among 18 K–6 district schools with reportable 2026 results for this group. 54.4% meet the reading standard and 46.3% meet the math standard.
See results by student groupHow does Killybrooke Elementary compare with other schools in Costa Mesa?
Killybrooke Elementary is No. 3 in both reading and math proficiency among the 11 K–6 schools in Costa Mesa with 2026 results.
Explore schools in Costa MesaHow does Killybrooke Elementary compare with other schools in Orange County?
Killybrooke Elementary is No. 95 in reading and No. 110 in math proficiency among the 236 K–6 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Killybrooke ElementaryThis school | 52.4% | 60.4% |
| Adams Elementary | 47.2% | 58.7% |
| California Elementary | 66.0% | 71.1% |
