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Average

#6646 of 9,533 schools in CA

Charleston Elementary

Elementary School · Los Banos Unified

18463 West Charleston Rd., Los Banos, CA 93635

Enrollment

371

Student-Teacher

26.5:1

Score

5.5

Grades

Kindergarten – 6th

Updated 2022-23

How this school compares

In Los Banos

#5 of 16

public schools

California elementary schools

#3,942 of 5,817

In district

#5 of 16

Los Banos Unified

Academic performance

7.2 / 10

Strong

About Charleston Elementary

Charleston Elementary, located in Los Banos, California, is a regular public elementary school serving students from kindergarten through sixth grade. With an enrollment of 371 students and a student-teacher ratio of 26.5:1, the school benefits from having 14 full-time equivalent teachers to support its diverse learning needs. The academic performance at Charleston Elementary shows room for improvement, with MySchoolScout rating it 5.4 out of 10 and ranking it #4809 out of 9566 schools in California.

Students demonstrate proficiency levels of 49% in ELA/Reading and 39% in Math, indicating areas where continued focus could lead to growth. The school is situated in a rural area, offering students a close-knit community feel with plenty of opportunities for outdoor learning and exploration.

What Parents Should Know

The student-teacher ratio at Charleston Elementary is 26.5:1, 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.

Located in a rural area, Charleston Elementary may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress5.4Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.29 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.2Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency36.6%
Reading/ELA Proficiency47.3%
Math vs. State Avg-9.1 pts
Reading vs. State Avg+4.5 pts
Overall Proficiency42%
Expected (poverty-adj.)39%
vs. Expected+2.5 pts
Adjusted Percentile59th
College ReadinessNot Available

Data not available for this school

Resources & Environment3.4Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio26.5:1
Per-Pupil Spending$15,688

Charleston Elementary — Students at Charleston Elementary score 42% proficient, which is above what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

62.3%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 38.8%
School
State
38.4%
ELA Proficiency 48.5%
School
State
45.4%

Based on 12 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
44%
ELA
54%
2024
Math
37.7%
ELA
47.4%

Source: EdFacts (NCES) and state assessment data. Growth score: 5.4/10.

How Charleston Elementary Compares

See how Charleston Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
5.5/10
30th percentile in CA
Academic
7.2/10
7.2/10
Growth
5.4/10
Above average
Environment
3.4/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
62%
Teaching Staff
27:1 student-teacher ratio
14 teachers

Location

18463 West Charleston Rd., Los Banos, CA 93635

Nearby Alternatives

Families considering Charleston Elementary may also want to explore other elementary schools in the area. OUR LADY OF FATIMA SCHOOL (rated 6.7/10, 5.1 miles away), which scores notably higher. Another option is Los Banos Elementary (rated 5.8/10, 5.3 miles away), with a very similar rating. Additionally, Transitional Kindergarten Center (rated 5.1/10, 5.7 miles away), with a comparable rating. For more schools in Los Banos, see our Los Banos schools guide .

Nearby Schools

20 within 9.7 mi
School Distance Rating
Mercey Springs Elementary Los Banos 4.5 mi 3.2
Los Banos High Los Banos 4.7 mi 5.5
OUR LADY OF FATIMA SCHOOL Los Banos 5.1 mi 6.7
Los Banos Elementary Los Banos 5.3 mi 5.8
Westside Union Elementary Los Banos 5.3 mi 4.5
Los Banos Junior High Los Banos 5.5 mi 5.2
Crossroads Alternative Education Center Los Banos 5.4 mi 4.8
Henry Miller Elementary Los Banos 5.5 mi 4.4
Transitional Kindergarten Center Los Banos 5.7 mi 5.1
R. M. Miano Elementary Los Banos 5.7 mi 3.2
San Luis High (Continuation) Los Banos 5.8 mi 6.4
Creekside Junior High Los Banos 5.5 mi 5.6
Pacheco High Los Banos 5.9 mi 6.2
Grasslands Elementary Los Banos 5.9 mi 5.1
Valley Los Banos Community Merced 6.1 mi 6.1
LOS BANOS ADVENTIST SCHOOL Los Banos 6.4 mi
Los Banos Adventist Christian School Los Banos 6.4 mi
Lorena Falasco Elementary Los Banos 6.4 mi 4.2
Volta Elementary Los Banos 9.8 mi 4.3
Westside High Dos Palos 9.7 mi 5.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 93635 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$70,666

Median Home Value

$423,900

Median Rent

$1,505/mo

Population

49,232

College Educated

13.2%

Homeownership

57.6%

Avg Commute

51.1 min

Poverty Rate

16.1%

Median Age

30.6

Community Profile

The community surrounding Charleston Elementary has a median household income of $70,666. It is a community where 13% of adults hold a bachelor's degree or higher. The median home value in the area is $423,900, with a median rent of $1,505/month. The area has a poverty rate of 16.1%. The average commute in the area is 51 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
A. H. Morgan Elementary Rialto, CA 5.5
Adams Elementary San Diego, CA 5.5
BLESSED SACRAMENT CATHOLIC SCHOOL Westminster, CA 5.5
Big Springs Elementary Simi Valley, CA 5.5
Blackford Elementary San Jose, CA 5.5
Blanche Sprentz Elementary Folsom, CA 5.5

Frequently Asked Questions

Common questions about Charleston Elementary

What grades does Charleston Elementary serve?

Charleston Elementary serves students in grades Kindergarten through 6th.

How many students attend Charleston Elementary?

Charleston Elementary has an enrollment of approximately 371 students.

What is the student-teacher ratio at Charleston Elementary?

The student-teacher ratio at Charleston Elementary is 26.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Charleston Elementary rank in CA?

Charleston Elementary is ranked #6646 out of 9,533 schools in CA.

What is Charleston Elementary's MySchoolScout rating?

Charleston Elementary has a composite rating of 5.5 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 Charleston Elementary?

Based on the most recent state assessment data, Charleston Elementary has 38.8% math proficiency and 48.5% reading/ELA proficiency.

Is Charleston Elementary a charter school?

No, Charleston Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Charleston Elementary a Title I school?

No, Charleston Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Charleston Elementary?

62.3% of students at Charleston 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

City Safety
High (2,063/100K)

FBI UCR 2024. City-level (Los Banos). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 6th
Enrollment
371
Student-Teacher Ratio
26.5:1
Teachers (FTE)
14
Free/Reduced Lunch
62.3%
Type
regular
Setting
Distant Rural
County
Merced County
Data Year
2023–2024

District

Los Banos Unified
District Enrollment
11,057
Schools in District
17
Per-Pupil Spending
$16,419
District Rank
#5 of 16

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 methodology

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