# Columbia Union

Columbia Union is a elementary district in Tuolumne County, California. Reading proficiency is 41.6%, +3.3 points from 2023 to 2025. Math proficiency is 30.4%, +2.6 points from 2023 to 2025.

## Key Stats

| Metric | Value |
| --- | --- |
| Canonical URL | https://caschooltrends.com/districts/columbia-union |
| County | Tuolumne |
| District type | Elementary |
| Schools | 1 |
| Students | 464 |
| Student / teacher ratio | 17:1 |
| Average spending per student | $17,910 |
| Low-Income Students | 304 (65.2%) |
| English Learners | 12 (2.6%) |

## Reading Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 38.3% | 248 |
| 2024 | 37.7% | 260 |
| 2025 | 41.6% | 274 |

## Math Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 27.8% | 248 |
| 2024 | 31.1% | 260 |
| 2025 | 30.4% | 273 |

## Reading Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 36.4% | 41.0% |
| 2024 | 29.6% | 47.5% |
| 2025 | 36.7% | 49.5% |

## Math Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 22.4% | 35.2% |
| 2024 | 22.5% | 41.5% |
| 2025 | 23.8% | 41.0% |

## Reading Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | N/A | 39.4% |
| 2024 | N/A | 37.9% |
| 2025 | N/A | 42.9% |

## Math Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | N/A | 28.2% |
| 2024 | N/A | 32.0% |
| 2025 | N/A | 31.3% |

## Board Members

| Name | Role | Email | First Year | Term Expires |
| --- | --- | --- | --- | --- |
| Cody Opie | Board Member | N/A | 2024 | 2028 |
| Dr. Jeff Wittman | Board Member | N/A | N/A | N/A |
| Erik Segerstrom | Board President | N/A | 2024 | 2028 |
| Jamie Serrano | Board Clerk | N/A | N/A | N/A |
| Tom Stewart | Board Member | N/A | N/A | N/A |

## Schools

| Rank | School | City | Reading | Math | Combined | Reading 2-Year | Math 2-Year |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | Columbia Elementary | Columbia | 41.8% | 30.4% | 36.1% | +3.4 | +2.6 |