Mildred B. Janson Elementary
8628 East Marshall, Rosemead, CA 91770-1814
Summary
Reading and math results average to the 78th percentile among comparable California schools.
63.0% of students met California's reading standard, but it is trending down slightly.
59.1% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 63.0% |
| Current Math Proficiency | 59.1% |
| Reading State Rank | 1,035/4,657 (78th percentile) |
| Math State Rank | 1,050/4,657 (77th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 575 |
| Low-Income Students | 380 (66.1%) |
| English Learners | 233 (40.5%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.7 points from last year and fell 2.7 points over the full period. Math fell 2.1 points from last year and fell 0.8 points over the full period.
•Math -0.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 56.3% to 68.7% across the grades shown. Overall, the school’s reading results rank in the top 23% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 12.7-point reading income gap is narrower than the 17.6-point gap at a typical California K–6 school. It narrowed slightly over the period shown.
•English Learners vs English Native
27.3% of English learners meet the reading standard, compared with 61.5% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 69% proficiency. The other reported groups range from about 36% to 36%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 51.3% to 64.2% across the grades shown. Overall, the school’s math results rank in the top 23% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 21.9-point math income gap is slightly wider than the 17.5-point gap at a typical California K–6 school. It widened over the period shown.
•English Learners vs English Native
40.0% of English learners meet the math standard, compared with 53.9% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•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 Mildred B. Janson Elementary compare within the district?
Mildred B. Janson Elementary is No. 1 in both reading and math proficiency among the 4 K–6 schools in Rosemead Elementary with 2026 results.
Explore the district’s schoolsHow does Mildred B. Janson Elementary rank in California?
Mildred B. Janson Elementary ranks No. 1,035 of 4,657 in reading and No. 1,050 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 Mildred B. Janson Elementary compare within the district?
Low-income students here rank No. 1 in reading and No. 2 in math among 4 K–6 district schools with reportable 2026 results for this group. 57.2% meet the reading standard and 49.1% meet the math standard.
See results by student groupHow does Mildred B. Janson Elementary compare with other schools in Rosemead?
Mildred B. Janson Elementary is No. 1 in reading and No. 3 in math proficiency among the 10 K–6 schools in Rosemead with 2026 results.
Explore schools in RosemeadHow does Mildred B. Janson Elementary compare with other schools in Los Angeles County?
Mildred B. Janson Elementary is No. 56 in reading and No. 58 in math proficiency among the 275 K–6 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Mildred B. Janson ElementaryThis school | 59.1% | 63.0% |
| Emma W. Shuey Elementary | 56.1% | 57.1% |
| Encinita Elementary | 54.4% | 51.7% |
