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SCHOOL COMMUNITY·ATWATER ELEMENTARY·NCES 060342000256

Aileen Colburn Elementary

2201 Heller St., Atwater, CA 95301 · (209) 357-6136 · Merced County
GRADES KG–06ELEMENTARY22-SUBURBTITLE IREGULAR SCHOOL371 STUDENTS
B
allk12 Grade
Scored higher than 60% of California public elementary schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B+Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public elementary schools

Enrollment
371
Elementary
DISTRICT 500 · STATE 465
Student : Teacher
21.8:1
17 FTE teachers
DISTRICT 23.2:1 · STATE 22.3:1
Free / Reduced Lunch
92%
340 students
DISTRICT 81% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten6919%
Grade 14211%
Grade 25715%
Grade 35114%
Grade 45314%
Grade 55415%
Grade 64512%

This year's kindergarten class (69) is 53% larger than its 6th grade class (45).

Student demographics
24%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 35% · STATE 62% · US 70%
White
339%
DISTRICT 12% · STATE 20% · US 43%
Hispanic
32287%
DISTRICT 79% · STATE 56% · US 30%
Black
123%
DISTRICT 2% · STATE 5% · US 15%
Asian
10%
DISTRICT 4% · STATE 12% · US 6%
Two+
10%
DISTRICT 2% · STATE 6% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19853%
Female
17347%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
42.6%
CA avg 49.1% . +8.6pp since 2014
Math
32.9%
CA avg 37.7% . +2.9pp since 2014

What this means: On the CAASPP, California's statewide test, about 43 of every 100 students at this school read and write at grade level and about 33 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 9 points since 2014, while math scores are up about 3 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts14.2%28.4%24.5%32.8%
Math12.6%20.3%29.5%37.7%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2542.6%32.9%
2023-2439.7%26.1%
2022-2336.7%27.4%
2021-2237.7%26.3%
2018-1942.0%27.2%
2017-1841.9%37.4%
2016-1746.3%36.2%
2015-1645.0%39.0%
2014-1534.0%30.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
35.1%
composite math + reading, all grades
Predicted
25.8%
based on CA schools with similar FRL share
Beats by
+9.3pp
above demographic expectation

What this means: About 35% of students here test proficient in math and reading, compared with the roughly 26% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Aileen Colburn Elementary

Aileen Colburn Elementary's state test result (35.1% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Aileen Colburn Elementary this school37191.6%35.1%
Charles H. Lee Elementary
Azusa
37890.5%26.8%
Laurel Elementary
Oceanside
35292.9%25.6%
Lee Richmond Elementary
Hanford
40290.8%41.1%
Orville Wright Elementary
Modesto
39992.5%12.3%
Ord Terrace Elementary
Seaside
39791.2%30.5%
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Aileen Colburn Elementary ranks

Among elementary schools
MeasureThis schoolIn CaliforniaIn Merced County
State test proficiency
ranked highest first
35.1%#2,946 of 5,151#21 of 54
Math proficiency
ranked highest first
32.9%#2,930 of 5,172
▲ 562
#24 of 54
▲ 7
Reading proficiency
ranked highest first
42.6%#2,678 of 5,172
▲ 89
#19 of 54
no change
3-year test score change
ranked biggest gain first
+5.7pp#1,448 of 5,116#22 of 53
Enrollment
ranked largest first
371#4,036 of 5,915#47 of 60
Students per teacher
ranked fewest first
21.8:1#2,059 of 5,352#14 of 53
Diversity index
ranked most diverse first
23.8%#4,234 of 5,354#34 of 53
Free and reduced lunch
ranked highest share first
91.6%#880 of 5,625#11 of 57
Enrollment change since 2017-18
ranked steepest decline first
-12.7%#2,326 of 3,837#16 of 35
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
371
-24 (-6%) vs 2020
-29% since 1990-91, when it was 521
Student : Teacher
21.8:1
was 21.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-253711721.8:192% (340)
2023-243831920.2:189% (342)
2022-234121921.7:190% (371)
2020-213951821.9:191% (358)
2017-184251823.6:194% (401)
2015-164151823.1:195% (396)
2010-11403N/AN/A97% (390)
2000-014902519.6:183% (405)
1990-915212026.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Aileen Colburn Elementary.

Since 2017-18: students down 13% (425 to 371); teachers down 6% (18 to 17).

About Aileen Colburn Elementary

Aileen Colburn Elementary is a small elementary school in Atwater, California, one of the schools in Atwater Elementary. It is open to students in kindergarten through 6 and enrolls 371 students. That is 20% below the average of about 465 students for elementary schools in California.

Atwater Elementary has 4,925 students in 11 schools, and Aileen Colburn Elementary is one of those schools.

By race and ethnicity, Aileen Colburn Elementary is 87% Hispanic. Enrollment also includes 9% White and 3% Black. The school's Hispanic share is 23 points above the 63% share among Merced County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 24%.

For every teacher at Aileen Colburn Elementary, there are about 21.8 students; the school has 17 full-time-equivalent teachers. It is about the same as the 22.3:1 average for elementary schools in California. There are 340 students eligible for free or reduced-price lunch, 92% of enrollment. By comparison, the figure for public schools in Merced County is 81%.

Aileen Colburn Elementary holds a B allk12 Grade, placing it above 60% of California public elementary schools.

Predicted from its free or reduced-price lunch share, Aileen Colburn Elementary would score about 25.8%. It scores 35.1%, 9.3 points above that figure.

For Merced County, Census Bureau data show median household income comes to about $65,510, the share of adults with a bachelor's degree or higher is 15%, and about 16% of people live in poverty. There are 117 public schools in the county, enrolling about 59,456, Aileen Colburn Elementary among them.

Aileen Colburn Elementary is about 0.4 miles from Atwater Senior Academy, its nearest public school. Aileen Colburn Elementary has at least 8 other public schools within five miles. Ranking the closest schools with test data puts Aileen Colburn Elementary at 5th of 7.

NCES assigns Aileen Colburn Elementary the locale Suburb: Mid-size, meaning in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.

Enrollment decreased by 6% across 4 years, from 395 in 2020-21 to 371 in 2024-25.

The allk12 page for Aileen Colburn Elementary lets the school community talk about athletics, class schedules, and weather closures. You can also rate the school on this page.

Merced County at a glance

View full county profile
Population
290,201
Census ACS
Median income
$65,510
Household, ACS
Bachelor's+
15%
Adults 25+
Poverty rate
16%
Below federal line
Schools in county
117
59,456 students

Quick facts

School name
Aileen Colburn Elementary
District
Atwater Elementary
Address
2201 Heller St., Atwater, CA 95301
Phone
(209) 357-6136
County
Merced County
Level
Elementary
Grade range
KG–06
Total enrollment
371
Teachers (FTE)
17
Student–teacher ratio
21.8:1
Free and reduced lunch
340 (92%)
Locale
22-Suburb: Mid-size
NCES ID
060342000256
Charter school
No
Virtual school
No

Related schools

Other schools in Atwater Elementary
Other schools in Atwater
Nearby schools

Frequently asked questions

About Aileen Colburn Elementary
What is the total enrollment at Aileen Colburn Elementary?
Aileen Colburn Elementary enrolls approximately 371 students in grades KG-06.
What grades does Aileen Colburn Elementary serve?
Aileen Colburn Elementary serves grades KG-06.
How many students per teacher at Aileen Colburn Elementary?
Approximately 21.8:1 students per teacher at Aileen Colburn Elementary.
What is the student diversity at Aileen Colburn Elementary?
Student demographics at Aileen Colburn Elementary are roughly 9% White, 87% Hispanic, 3% Black, 0% Asian, 0% Two or more.
What district is Aileen Colburn Elementary in?
Aileen Colburn Elementary is part of Atwater Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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