Average
#4827 of 9,533 schools in CA
Mary B. Lewis Elementary
Elementary School · Colton Joint Unified
18040 San Bernardino Ave., Bloomington, CA 92316
Enrollment
575
Student-Teacher
24:1
Score
6.3
Grades
Kindergarten – 6th
Enrollment
575
Student-Teacher
24:1
Score
6.3
Grades
Kindergarten – 6th
Updated
2022-23
Updated 2022-23
How this school compares
In Bloomington
#3 of 9
public schools
California elementary schools
#2,957 of 5,817
In district
#7 of 27
Colton Joint Unified
About Mary B. Lewis Elementary
Mary B. Lewis Elementary is a regular public elementary school in Bloomington, California, located at 18040 San Bernardino Ave. The school serves students from kindergarten through sixth grade and currently has an enrollment of 575 students.
With a student-teacher ratio of 24:1, Mary B. Lewis aims to provide individualized attention to each child's learning needs. The academic performance at Mary B.
Lewis Elementary shows areas for improvement, with the school ranking in the 26th percentile among California schools. MySchoolScout rates it at 3.9 out of 10 and gives its academic score a rating of 3.4 out of 10. In English Language Arts (ELA) and reading, 34% of students are proficient or above, while in math, only 17% meet the proficiency benchmark.
These scores indicate that the school is focusing on student development and continuous improvement to enhance academic outcomes. Mary B. Lewis Elementary is situated in a large suburban area, offering a community-oriented setting where families can engage with each other and support their children’s education.
What Parents Should Know
The student-teacher ratio at Mary B. Lewis Elementary is 24:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Mary B. Lewis Elementary — Students at Mary B. Lewis Elementary score 25% proficient, which is above what's typical for similar communities (expected: 21%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
94.3%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.9/10.
How Mary B. Lewis Elementary Compares
See how Mary B. Lewis Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 21% (2019) to 16% (2024). Reading/ELA proficiency has remained stable from 35% (2019) to 33.44% (2024).
Location
18040 San Bernardino Ave., Bloomington, CA 92316
Nearby Alternatives
Families considering Mary B. Lewis Elementary may also want to explore other elementary schools in the area. Ruth Grimes Elementary (rated 7.1/10, 1.4 miles away), which scores slightly higher. Another option is CALVARY CHAPEL RIALTO CHRISTIAN SCHOOL (rated 6.5/10, 1.1 miles away, in nearby Rialto), with a very similar rating. Additionally, Dolores Huerta International Academy (rated 6.4/10, 1.0 miles away, in nearby Fontana), with a very similar rating. For more schools in Bloomington, see our Bloomington schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| Gerald A. Smith Elementary Bloomington | 0.6 mi | 4.8 |
| Maple Elementary Fontana | 0.7 mi | 6.0 |
| Dolores Huerta International Academy Fontana | 1.0 mi | 6.4 |
| Palmetto Elementary Fontana | 1.0 mi | 5.4 |
| CALVARY CHAPEL RIALTO CHRISTIAN SCHOOL Rialto | 1.1 mi | 6.5 |
| Calvary Chapel Rialto Christian School Rialto | 1.2 mi | — |
| Bloomington High Bloomington | 1.4 mi | 7.9 |
| Slover Mountain High (Continuation) Bloomington | 1.3 mi | 5.7 |
| MOUNTAIN VIEW CHRISTIAN PRESCHOOL & KINDERGARTEN Fontana | 1.4 mi | — |
| South Tamarind Elementary Fontana | 1.5 mi | 5.6 |
| Ted Porter Elementary Fontana | 1.6 mi | 5.0 |
| Altus Academy Rialto | 1.6 mi | — |
| STONERIDGE PREPARATORY SCHOOL Fontana | 1.6 mi | 5.8 |
| Ruth Grimes Elementary Bloomington | 1.4 mi | 7.1 |
| Options for Youth-Acton Covina | 1.5 mi | 3.3 |
| Walter Zimmerman Elementary Bloomington | 1.8 mi | 5.1 |
| Rialto Middle Rialto | 1.8 mi | 7.0 |
| Ruth O. Harris Middle Bloomington | 2.0 mi | 5.5 |
| Charlotte N. Werner Elementary Rialto | 1.9 mi | 6.3 |
| Fontana Middle Fontana | 1.9 mi | 5.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92316 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$82,117
Median Home Value
$448,200
Median Rent
$1,450/mo
Population
31,909
College Educated
10.6%
Homeownership
69.1%
Avg Commute
31.7 min
Poverty Rate
13.4%
Median Age
33.3
Community Profile
The community surrounding Mary B. Lewis Elementary has a median household income of $82,117. It is a community where 11% of adults hold a bachelor's degree or higher. The median home value in the area is $448,200, with a median rent of $1,450/month. The area has a poverty rate of 13.4%. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Agnes M. Baptist Elementary Modesto, CA | 6.3 |
| Anza Elementary Torrance, CA | 6.3 |
| Arts In Action Community Charter Los Angeles, CA | 6.3 |
| Badillo Elementary Covina, CA | 6.3 |
| Barbara Comstock Morse Elementary Sacramento, CA | 6.3 |
| Bay Park Elementary San Diego, CA | 6.3 |
Frequently Asked Questions
Common questions about Mary B. Lewis Elementary
What grades does Mary B. Lewis Elementary serve?
Mary B. Lewis Elementary serves students in grades Kindergarten through 6th.
How many students attend Mary B. Lewis Elementary?
Mary B. Lewis Elementary has an enrollment of approximately 575 students.
What is the student-teacher ratio at Mary B. Lewis Elementary?
The student-teacher ratio at Mary B. Lewis Elementary is 24:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mary B. Lewis Elementary rank in CA?
Mary B. Lewis Elementary is ranked #4827 out of 9,533 schools in CA.
What is Mary B. Lewis Elementary's MySchoolScout rating?
Mary B. Lewis Elementary has a composite rating of 6.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mary B. Lewis Elementary?
Based on the most recent state assessment data, Mary B. Lewis Elementary has 16.8% math proficiency and 33.8% reading/ELA proficiency.
Is Mary B. Lewis Elementary a charter school?
No, Mary B. Lewis Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Mary B. Lewis Elementary a Title I school?
No, Mary B. Lewis Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mary B. Lewis Elementary?
94.3% of students at Mary B. Lewis Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- County Safety
- Low (231/100K)
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 6th
- Enrollment
- 575
- Student-Teacher Ratio
- 24:1
- Teachers (FTE)
- 24
- Free/Reduced Lunch
- 94.3%
- Type
- regular
- Setting
- Large Suburb
- County
- San Bernardino County
- Phone
- (909) 580-5025
- Data Year
- 2023–2024
Resources & Links
District
Colton Joint Unified- District Enrollment
- 18,912
- Schools in District
- 28
- Per-Pupil Spending
- $18,938
- District Rank
- #7 of 27
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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