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What do you wish you knew before starting at Columbia Elementary?
Community prompt from u/allk12. Replies below.
Enrollment
620
Elementary
DISTRICT 467 · STATE 465
SCHOOL COMMUNITY·EASTSIDE UNION ELEMENTARY·NCES 061191009131
Columbia Elementary
2640 East Avenue J-4, Lancaster, CA 93535 · (661) 946-5656 · Los Angeles County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL620 STUDENTS
Student : Teacher
22.1:1
28 FTE teachers
DISTRICT 20.4:1 · STATE 22.3:1
Free / Reduced Lunch
89%
549 students
DISTRICT 88% · STATE 65%
Community
6
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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 93 | 15% |
| Grade 1 | 75 | 12% |
| Grade 2 | 77 | 12% |
| Grade 3 | 81 | 13% |
| Grade 4 | 98 | 16% |
| Grade 5 | 99 | 16% |
| Grade 6 | 97 | 16% |
This year's kindergarten class (93) is about the same size as its 6th grade class (97).
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 48% · STATE 62% · US 70%
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
School pathway
Students here typically continue to
Columbia Elementary→Gifford C. Cole Middle
Based on grade levels within Eastside Union Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
21.1%
CA avg 49.1% . +6.1pp since 2014
Math
17.3%
CA avg 37.7% . +7.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 21 of every 100 students at this school read and write at grade level and about 17 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 6 points since 2014, while math scores are up about 7 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 6.1% | 15.0% | 21.1% | 57.9% |
| Math | 5.5% | 11.8% | 22.5% | 60.2% |
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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 21.1% | 17.3% |
| 2023-24 | 15.4% | 16.8% |
| 2022-23 | 19.8% | 16.4% |
| 2021-22 | 22.4% | 15.3% |
| 2018-19 | 23.7% | 14.3% |
| 2017-18 | 20.0% | 11.7% |
| 2016-17 | 18.4% | 12.4% |
| 2015-16 | 19.0% | 12.0% |
| 2014-15 | 15.0% | 10.0% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
17.8%
composite math + reading, all grades
Predicted
27.7%
based on CA schools with similar FRL share
Beats by
-9.9pp
below demographic expectation
What this means: About 18% of students here test proficient in math and reading, compared with the roughly 28% 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 Columbia Elementary
Columbia Elementary's state test result (17.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Columbia Elementary this school | 620 | 88.5% | 17.8% |
| Jack Northrop Elementary Lancaster | 645 | 89.3% | 18.2% |
| Tamarisk Elementary Palmdale | 664 | 93.4% | 12.5% |
| Tierra Bonita Elementary Lancaster | 636 | 86.0% | 21.2% |
| Tibby Elementary Compton | 554 | 90.1% | 60.7% |
| Village Elementary Victorville | 763 | 89.5% | 13.6% |
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 Columbia Elementary ranks
Among elementary schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 17.8% | #4,763 of 5,151 | #1,100 of 1,126 |
| Math proficiency ranked highest first | 17.3% | #4,541 of 5,172 ▼ 29 | #1,080 of 1,129 ▼ 14 |
| Reading proficiency ranked highest first | 21.1% | #4,784 of 5,172 ▲ 220 | #1,097 of 1,129 ▲ 22 |
| 3-year test score change ranked biggest gain first | +0.3pp | #3,239 of 5,116 | #789 of 1,116 |
| Enrollment ranked largest first | 620 | #1,224 of 5,915 | #235 of 1,300 |
| Students per teacher ranked fewest first | 22.1:1 | #2,287 of 5,352 | #628 of 1,213 |
| Diversity index ranked most diverse first | 49.3% | #2,818 of 5,354 | #464 of 1,214 |
| Free and reduced lunch ranked highest share first | 88.5% | #1,265 of 5,625 | #494 of 1,276 |
| Enrollment change since 2017-18 ranked steepest decline first | -19.0% | #1,527 of 3,837 | #524 of 947 |
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 2024-25Enrollment
620
-35 (-5%) vs 2020
-8% since 1990-91, when it was 673
Student : Teacher
22.1:1
was 26.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 620 | 28 | 22.1:1 | 89% (549) |
| 2023-24 | 678 | 28 | 24.2:1 | 95% (644) |
| 2022-23 | 644 | 26 | 24.8:1 | 94% (604) |
| 2020-21 | 655 | 25 | 26.2:1 | 94% (618) |
| 2017-18 | 765 | 32 | 23.9:1 | 91% (697) |
| 2015-16 | 763 | 32 | 23.8:1 | 88% (668) |
| 2010-11 | 851 | N/A | N/A | 85% (720) |
| 2000-01 | 504 | 25 | 20.2:1 | 66% (332) |
| 1990-91 | 673 | 24 | 28.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Columbia Elementary.
Since 2017-18: students down 19% (765 to 620); teachers down 12% (32 to 28).
About Columbia Elementary
Columbia Elementary is a mid-sized elementary school. Its address is in Lancaster, California. It enrolls 620 students in 2024-25. The grades offered are kindergarten through 6. It has 33% more students than the average for elementary schools in California (about 465).
The 6 schools in Eastside Union Elementary enroll 3,032 students altogether, Columbia Elementary among them.
More than half of the students at Columbia Elementary are Hispanic (67%). The remaining shares are 24% Black, 4% White, and 3% multiracial. Census estimates put the Hispanic share of Los Angeles County's population at about 48%. The diversity index for Columbia Elementary is 49%. For US public schools as a whole it is 70%.
There are about 22.1 students for every full-time-equivalent teacher at Columbia Elementary, which has 28. The 22.3:1 average for elementary schools in California is close to this figure. Free or reduced-price lunch eligibility at Columbia Elementary is about 89%. For comparison, public schools in Los Angeles County average 70%.
On the allk12 BeatsExpectations measure, Columbia Elementary is 9.9 points below the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 17.8% actual, 27.7% predicted. That is outside both the top and bottom 10% in California.
Looking at the county, Los Angeles County, median household income comes to about $90,112, about 36% of adults have at least a bachelor's degree, and the poverty rate is about 10%. The county's public schools total 2,244, with about 1,265,907 students.
Eastside High sits about 0.8 miles from Columbia Elementary. Columbia Elementary has at least 8 other public schools within five miles. The nearest schools with test data average 20.1%, higher than Columbia Elementary's 17.8%.
The school's federal locale classification is Suburb: Large.
The school's student count fell 5% between the 2020-21 and 2024-25 school years. From 2020-21 to 2024-25, the ratio dropped from 26.2:1 to 22.1:1.
Use the discussion section to ask about homework, tutoring, and testing dates at Columbia Elementary. You can also rate the school on this page.
Los Angeles County at a glance
View full county profilePopulation
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students
Quick facts
Related schools
Other schools in Eastside Union Elementary
- Gifford C. Cole MiddleMiddle · 697 students
- Enterprise ElementaryElementary · 646 students
- Tierra Bonita ElementaryElementary · 636 students
- Eastside ElementaryElementary · 423 students
- Eastside Academy/Transitional Learning CenterElementary · 10 students
Other schools in Lancaster
- Assurance Learning AcademyHigh · 3,014 students
- Lancaster HighHigh · 2,688 students
- Eastside HighHigh · 2,631 students
- Antelope Valley HighHigh · 1,498 students
- Sundown ElementaryElementary · 941 students
- Amargosa Creek MiddleMiddle · 859 students
Other Columbia Elementary schools
24 other US public schools in 13 states are named Columbia Elementary. Columbia Elementary is the 4th largest of the 25.
- Columbia ElementaryEl Monte, CA · 706 students
- Columbia ElementaryPerris, CA · 704 students
- Columbia ElementaryBakersfield, CA · 601 students
- Columbia ElementaryFresno, CA · 568 students
- Columbia ElementaryColumbia, CA · 464 students
Nearby schools
- Eastside High0.8 mi · 2,631
- Tierra Bonita Elementary0.8 mi · 636
- Eastside Academy/Transitional Learning Center1.1 mi · 10
- Enterprise Elementary1.1 mi · 646
- Gifford C. Cole Middle1.2 mi · 697
- Lincoln Elementary1.3 mi · 738
Frequently asked questions
About Columbia ElementaryWhat is the total enrollment at Columbia Elementary?
Columbia Elementary enrolls approximately 620 students in grades KG-06.
What grades does Columbia Elementary serve?
Columbia Elementary serves grades KG-06.
How many teachers does Columbia Elementary have?
Columbia Elementary employs 28 FTE teachers, for a student-to-teacher ratio of 22.1:1.
How diverse is Columbia Elementary?
Columbia Elementary reports a student body of 4% White, 67% Hispanic, 24% Black, 0% Asian, 3% Two or more.
What district is Columbia Elementary in?
Columbia Elementary is part of Eastside Union Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.