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#5610 of 9,539 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

5.9

Grades

Kindergarten – 6th

Data vintage2022-23

How this school compares

California schools

#5,610 of 9,539

In Bloomington

#6 of 9

public schools

In district

#12 of 27

Colton Joint Unified

Academic growth

7.4 / 10

Very Good

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Mary B. Lewis Elementary

5.9/10

Elementary School in Bloomington · grades Kindergarten – 6th. Start here, then compare fit against nearby and district options.

Gerald A. Smith Elementary

4.5/10

0.6 mi away. Use as a geographic alternative in the same move search.

Maple Elementary

5.1/10

0.7 mi away. Use as a geographic alternative in the same move search.

About Mary B. Lewis Elementary

Mary B. Lewis Elementary is a public elementary school in Bloomington, CA, part of Colton Joint Unified. Mary B.

Lewis Elementary serves approximately 575 students, and covers grades Kindergarten-6th, and has a 24:1 student-teacher ratio. Mary B. Lewis Elementary has a current MySchoolScout rating of 5.9 out of 10 and ranks #5,610 of 9,539 schools in CA.

Structured state assessment records for Mary B. Lewis Elementary show 24% math proficiency (multi-year average, 2009-2024) and 31% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.5 pts above district
  • This school 5.9 · Average
  • District avg 5.4
  • CA avg 6.2

What Parents Should Know

Mary B. Lewis Elementary runs 24:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

52% of students at Mary B. Lewis Elementary were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress7.4Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-1 pts/yr
Data Period2009–2024
TrendDeclining
Academics5.7Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency16% (2024 CAASPP)
Reading/ELA Proficiency33.4% (2024 CAASPP)
Math vs. State Avg-29.7 pts
Reading vs. State Avg-9.4 pts
Overall Proficiency25% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)21% (model expectation from 2024 CAASPP)
vs. Expected+3.5 pts
Adjusted Percentile40th
Resources & Environment2.6Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio24:1
Per-Pupil Spending$18,938
Chronic Absenteeism52.2%

Mary B. Lewis Elementary — Students at Mary B. Lewis Elementary score 25% proficient, which is above what's typical for similar communities (expected: 21%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

94.3%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 23.6% (multi-year average, 2009-2024)
School
State
38.4% (2024 CAASPP)
ELA Proficiency 31.3% (multi-year average, 2009-2024)
School
State
45.4% (2024 CAASPP)

Based on 34 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
45%
ELA
31%
2010
Math
49%
ELA
33%
2011
Math
45%
ELA
33%
2012
Math
40%
ELA
40%
2013
Math
24.5%
ELA
24.5%
2014
Math
14%
ELA
21%
2015
Math
15%
ELA
23%
2016
Math
16%
ELA
25%
2017
Math
15%
ELA
27%
2018
Math
21%
ELA
35%
2019
Math
21%
ELA
35%
2022
Math
16%
ELA
37%
2024
Math
16%
ELA
33.6%

Source: EdFacts (NCES) and state assessment data. Growth score: 7.4/10.

How Mary B. Lewis Elementary Compares

See how Mary B. Lewis Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
5.9/10
41th percentile in CA
Academic
5.7/10
Average
Growth
7.4/10
Very Good
Environment
2.6/10
Needs Improvement
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
94%
Teaching Staff
24:1 student-teacher ratio
24 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
52.2%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

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 8.3/10, 1.4 miles away), which scores notably higher. Another option is CALVARY CHAPEL RIALTO CHRISTIAN SCHOOL (rated 6.5/10, 1.1 miles away, in nearby Rialto), which scores slightly higher. Additionally, Ted Porter Elementary (rated 6.1/10, 1.6 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 4.5
Maple Elementary Fontana 0.7 mi 5.1
Dolores Huerta International Academy Fontana 1.0 mi 5.3
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 6.9
Slover Mountain High (Continuation) Bloomington 1.3 mi 5.1
MOUNTAIN VIEW CHRISTIAN PRESCHOOL & KINDERGARTEN Fontana 1.4 mi
South Tamarind Elementary Fontana 1.5 mi 5.5
Ted Porter Elementary Fontana 1.6 mi 6.1
Altus Academy Rialto 1.6 mi
STONERIDGE PREPARATORY SCHOOL Fontana 1.6 mi 5.8
Ruth Grimes Elementary Bloomington 1.4 mi 8.3
Options for Youth-Acton Covina 1.5 mi 3.6
Walter Zimmerman Elementary Bloomington 1.8 mi 6.1
Rialto Middle Rialto 1.8 mi 5.7
Ruth O. Harris Middle Bloomington 2.0 mi 4.9
Charlotte N. Werner Elementary Rialto 1.9 mi 3.5
Fontana Middle Fontana 1.9 mi 5.0

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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Antelope Elementary Red Bluff, CA 5.9
Badillo Elementary Covina, CA 5.9
Bear Valley Elementary Moreno Valley, CA 5.9
Breeze Hill Elementary Vista, CA 5.9
Bret Harte Elementary Corcoran, CA 5.9
Cantara Street Elementary Reseda, CA 5.9

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 ranks #5,610 of 9,539 schools in CA.

What is Mary B. Lewis Elementary's MySchoolScout rating?

Mary B. Lewis Elementary has a current MySchoolScout rating of 5.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mary B. Lewis Elementary?

Based on loaded state assessment records, Mary B. Lewis Elementary has 24% math proficiency (multi-year average, 2009-2024) and 31% reading/ELA proficiency (multi-year average, 2009-2024).

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
42 Car-Dependent
Bike Score
40 Somewhat Bikeable

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
52.2%

District

Colton Joint Unified
District Enrollment
18,912
Schools in District
28
Per-Pupil Spending
$18,938
District Rank
#12 of 27

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