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Columbia Elementary

Public Grades K-8
4106th
SchoolDigger Rank ?
of 5,804 California Elementary Schools
Better than 29% of California elementary schools
Summary

Columbia Elementary serves 464 students in grades K–8 in Columbia, California, within the Columbia Union area. Its 2025–26 results show a clear difference by subject: 45% were proficient in science, compared with 33% in English language arts (ELA) and 21% in math. The most important takeaway is that science is a standout, while ELA and math proficiency are well below state results.

Science is the school’s strongest subject compared with both the state and nearby K–8 schools: its 45% proficiency was 9 percentage points above the state and 15 points above the nearby-school average of 29%, the highest result among comparable peers. ELA and math lagged: ELA was 17 points below the state and 8 below the nearby average; math was 17 points below the state and 6 below the nearby average. The district’s reported all-grades results match the school’s in all three subjects. Results also vary by grade: sixth-grade math was 8%, while fourth-grade math was the school’s strongest math result at 36%; both tested science grades were above their state comparisons.

Results have shifted in different directions over time: from 2022–23 to 2025–26, ELA fell 6 percentage points and math fell 6, while science rose 26 points and moved from below to above the state. SchoolDigger ranks the school at the 29th statewide percentile with one star, down from the 41st percentile in 2022–23. Its subgroup rankings also show notable differences: SchoolDigger’s measure of how well it serves White students is at the 10th percentile, while its measure for Hispanic students fell from the 64th percentile in 2023–24 to the 36th in 2025–26. In 2024–25, the student-teacher ratio was 17.2, among the lower ratios nearby, and 65% of students were free/reduced lunch eligible. Chronic absenteeism was 23% in 2025–26, compared with 18% statewide. These figures offer context, not explanations for the school’s results.

464
Students ?
17.2
Student/teacher ratio ?
$29,322
Per pupil spending ?
65.3%
Free/reduced lunch eligible (2024-25) ?
All students in California receive free school meals.
87%
Kindergartners with all required immunizations (2024-25)
Exemptions: 0% (any vaccine)
 22540 Parrotts Ferry Rd.
       Columbia, CA  95310-9757

(209) 533-7700

District: Columbia Union


Students who attend Columbia Elementary usually attend:

High:    Sonora High
Racial breakdown:

White:
69.4%
Hispanic:
20.5%
Two or more races:
5.0%
more
 See top rated California elementary schools

 Compare Columbia Elementary to nearby elementary schools!
At a glance
▼ Ranking trend: Declining — 53rd percentile in 2016 → 29th in 2026
Worth a look
!Test scores below the California average (30% vs 42% meeting standards)
!Ranking has slipped — down 24 percentile points since 2016
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2025-2026) ?
This school30%
District avg30%
California avg42%
Elementary school
4,106th of 5,804
California public elementary schools ?
Bottom 29%▼ down 24 pts since 2016
From top 47% (2016) to bottom 29% (2026)
See the entire ranking list of California Elementary Schools →
★★★★★
SchoolDigger rating ?
Middle school
1,814th of 2,703
California public middle schools ?
Bottom 33%▼ down 40 pts since 2016
From top 27% (2016) to bottom 33% (2026)
See the entire ranking list of California Middle Schools →
★★★★★
SchoolDigger rating ?
731st of 968Columbia Union among California districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Elementary school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankCalifornia percentileRating
202628.64106 of 580429.3%★☆☆☆☆
202531.43846 of 585734.3%★★☆☆☆
202433.13680 of 586937.3%★★☆☆☆
202335.43466 of 585940.8%★★☆☆☆
202234.53494 of 588340.6%★★☆☆☆
202128.1974 of 141731.3%★★☆☆☆
201941.43107 of 578946.3%★★☆☆☆
201823.04425 of 566221.8%★☆☆☆☆
201740.93046 of 569246.5%★★☆☆☆
201647.42639 of 561453.0%★★★☆☆
201546.02684 of 561152.2%★★★☆☆
201371.31509 of 553072.7%★★★★☆
201266.31710 of 539068.3%★★★☆☆
201160.81972 of 537763.3%★★★☆☆
201063.91791 of 531466.3%★★★☆☆
200964.21710 of 519367.1%★★★☆☆
200862.41753 of 511365.7%★★★☆☆
200758.21919 of 511362.5%★★★☆☆
200656.11915 of 481860.3%★★★☆☆
200552.52068 of 482257.1%★★★☆☆
200446.82311 of 480951.9%★★★☆☆

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202632.13695 of 556933.7%★★☆☆☆
202534.53510 of 559737.3%★★☆☆☆
202438.13197 of 561243.0%★★☆☆☆
202335.53325 of 560940.7%★★☆☆☆
202233.13486 of 563538.1%★★☆☆☆
202126.5911 of 126728.1%★☆☆☆☆
201934.03501 of 549236.3%★★☆☆☆
201823.14308 of 541320.4%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202636.23272 of 508535.7%★★☆☆☆
202553.42077 of 510759.3%★★★☆☆
202457.01847 of 510763.8%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202624.04395 of 541218.8%★☆☆☆☆
202541.53051 of 546044.1%★★☆☆☆
202430.43906 of 551729.2%★☆☆☆☆
202344.52734 of 536349.0%★★☆☆☆
202245.42575 of 526451.1%★★★☆☆
202127.8855 of 111023.0%★☆☆☆☆
201950.42379 of 517354.0%★★★☆☆
201821.04404 of 508413.4%★☆☆☆☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202625.34263 of 559023.7%★☆☆☆☆
202529.43902 of 562830.7%★★☆☆☆
202429.53863 of 564331.5%★★☆☆☆
202335.93338 of 563840.8%★★☆☆☆
202237.13195 of 566343.6%★★☆☆☆
202130.7826 of 127235.1%★★☆☆☆
201951.22403 of 551056.4%★★★☆☆
201825.84033 of 543125.7%★☆☆☆☆

White

YearAvg scoreStatewide rankCalifornia percentileRating
202613.62267 of 253210.5%★☆☆☆☆
202511.82366 of 25988.9%☆☆☆☆☆
202411.22413 of 26519.0%☆☆☆☆☆
202314.12369 of 266111.0%★☆☆☆☆
202212.22469 of 27269.4%☆☆☆☆☆
201917.82445 of 283413.7%★☆☆☆☆
20187.52608 of 27374.7%☆☆☆☆☆
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankCalifornia percentileRating
202629.91814 of 270332.9%★★☆☆☆
202559.2922 of 276166.6%★★★☆☆
202454.01041 of 278362.6%★★★☆☆
202347.51237 of 278155.5%★★★☆☆
202236.31577 of 274042.4%★★☆☆☆
202127.9642 of 89428.2%★☆☆☆☆
201933.91658 of 271538.9%★★☆☆☆
201839.21387 of 248044.1%★★☆☆☆
201750.01106 of 250855.9%★★★☆☆
201669.3667 of 249773.3%★★★★☆
201569.6652 of 247773.7%★★★★☆
201380.8300 of 237987.4%★★★★☆
201268.5612 of 225972.9%★★★★☆
201164.4704 of 223668.5%★★★☆☆
201069.7557 of 217974.4%★★★★☆
200956.4830 of 206359.8%★★★☆☆
200855.4806 of 200559.8%★★★☆☆
200754.1807 of 199959.6%★★★☆☆
200649.6824 of 180454.3%★★★☆☆
200570.0445 of 177775.0%★★★★☆
200465.5507 of 176971.3%★★★★☆

Disabled

YearAvg scoreStatewide rankCalifornia percentileRating
201946.2620 of 149158.4%★★★☆☆

Female

YearAvg scoreStatewide rankCalifornia percentileRating
202626.91779 of 248328.4%★☆☆☆☆
202548.41144 of 253354.8%★★★☆☆
202447.11145 of 255155.1%★★★☆☆
202345.01182 of 253153.3%★★★☆☆
202246.11169 of 250953.4%★★★☆☆
202123.4570 of 73822.8%★☆☆☆☆
201930.41616 of 238032.1%★★☆☆☆
201847.11087 of 226251.9%★★★☆☆

Hispanic

YearAvg scoreStatewide rankCalifornia percentileRating
202630.61603 of 232531.1%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankCalifornia percentileRating
202632.81635 of 249334.4%★★☆☆☆
202552.5990 of 254261.1%★★★☆☆
202451.01009 of 257960.9%★★★☆☆
202350.11026 of 253159.5%★★★☆☆
202248.21073 of 245856.3%★★★☆☆
202132.7495 of 72131.3%★★☆☆☆
201933.91536 of 236935.2%★★☆☆☆
201837.51343 of 223039.8%★★☆☆☆

Male

YearAvg scoreStatewide rankCalifornia percentileRating
202634.41518 of 247838.7%★★☆☆☆
202563.9754 of 253470.2%★★★★☆
202458.6847 of 255266.8%★★★☆☆
202348.01124 of 253855.7%★★★☆☆
202227.51753 of 252730.6%★★☆☆☆
202133.4483 of 76336.7%★★☆☆☆
201938.61352 of 240743.8%★★☆☆☆
201831.71479 of 227334.9%★★☆☆☆

White

YearAvg scoreStatewide rankCalifornia percentileRating
202610.31361 of 14828.2%☆☆☆☆☆
202535.4986 of 152035.1%★★☆☆☆
202427.41112 of 153727.7%★☆☆☆☆
202328.11111 of 154328.0%★☆☆☆☆
202216.41332 of 155514.3%★☆☆☆☆
201914.51391 of 160213.2%★☆☆☆☆
201826.91131 of 149624.4%★☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Elementary school
Hispanic (2026)36th percentile+6 vs school
Female (2026)34th percentile+4 vs school
Male (2026)24th percentile-6 vs school
Low Socio Economic Status (2026)19th percentile-10 vs school
White (2026)10th percentile-19 vs school
Middle school
Disabled (2019)58th percentile+19 vs school
Male (2026)39th percentile+6 vs school
Low Socio Economic Status (2026)34th percentile~ school
Hispanic (2026)31st percentile~ school
Female (2026)28th percentile-5 vs school
White (2026)8th percentile-25 vs school
By subject vs California (2025-2026) ?
Science45%+9 vs state
English Language Arts/Literacy33%-17 vs state
Mathematics21%-17 vs state

★
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Frequently Asked Questions about Columbia Elementary

Students at Columbia Elementary are 69% White, 20% Hispanic, 5% Two or more races, 3% American Indian, 1% African American.

In the 2024-25 school year, 464 students attended Columbia Elementary.

Columbia Elementary ranks 4106th of 5804 California elementary schools. SchoolDigger rates this school 1 star out of 5.

Students who attend Columbia Elementary usually go on to attend:

High : Sonora High

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Latest California data All new data »
2013–14 through 2024–25 immunization rates (updated)NewOct 19, 2026
2025–26 attendance data, dropout rates & graduation ratesNewOct 15, 2026
2025–26 CAST, CSA Spanish & Smarter Balanced Assessments scoresNewOct 15, 2026
2024–25 school spending dataJul 1, 2026


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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