Mark Twain Elementary
1500 Oregon Avenue, Corcoran, CA 93212-9684
Summary
Mark Twain Elementary is badly underperforming.
Reading and math results average to the 15th percentile among comparable California schools.
Only 30.8% of students met California's reading standard, but it is slowly trending up.
Math is weaker: 14.5% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 30.8% |
| Current Math Proficiency | 14.5% |
| Reading State Rank | 3,551/4,657 (24th percentile) |
| Math State Rank | 4,367/4,657 (6th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 454 |
| Low-Income Students | 410 (90.3%) |
| English Learners | 97 (21.4%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 0.9 points from last year and rose 3.5 points over the full period. Math fell 3.9 points from last year and fell 4.8 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 29.9% to 31.9% across the grades shown. Overall, the school’s reading results rank No. 3,551 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.8-point reading income gap is slightly wider than the 19.8-point gap at a typical California 4–5 school. It narrowed over the period shown.
English Learners vs English Native
3.6% of English learners meet the reading standard, compared with 30.2% 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
Hispanic or Latino students have the strongest math results at about 15% proficiency. The other reported groups range from about 7% to 9%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 12.0% to 16.8% across the grades shown. Overall, the school’s math results rank No. 4,367 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 34.3-point math income gap is nearly twice as wide as the 18.4-point gap at a typical California 4–5 school. It widened over the period shown.
English Learners vs English Native
2.4% of English learners meet the math standard, compared with 13.8% 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 7 schools for reading and 7 for math. The comparison uses 2026 California 4–5 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 Mark Twain Elementary rank in California?
Mark Twain Elementary ranks No. 3,551 of 4,657 in reading and No. 4,367 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
CAASPP