# River Delta Joint Unified

River Delta Joint Unified is a unified district in Sacramento County, California. Reading proficiency is 33.8%, +1.2 points from 2023 to 2025. Math proficiency is 22.4%, +3.5 points from 2023 to 2025.

## Key Stats

| Metric | Value |
| --- | --- |
| Canonical URL | https://caschooltrends.com/districts/river-delta-joint-unified |
| County | Sacramento |
| District type | Unified |
| Schools | 10 |
| Students | 2,030 |
| Student / teacher ratio | 16:1 |
| Average spending per student | $21,264 |
| Low-Income Students | 1,348 (78.6%) |
| English Learners | 290 (16.9%) |

## Reading Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 32.6% | 869 |
| 2024 | 27.1% | 859 |
| 2025 | 33.8% | 864 |

## Math Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 18.9% | 871 |
| 2024 | 19.4% | 864 |
| 2025 | 22.4% | 864 |

## Reading Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 29.3% | 41.1% |
| 2024 | 24.8% | 36.5% |
| 2025 | 30.7% | 46.0% |

## Math Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 15.9% | 26.9% |
| 2024 | 16.7% | 30.6% |
| 2025 | 20.4% | 30.6% |

## Reading Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | 9.7% | 37.1% |
| 2024 | 6.9% | 30.9% |
| 2025 | 7.5% | 38.7% |

## Math Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | 5.6% | 24.1% |
| 2024 | 10.1% | 22.8% |
| 2025 | 10.1% | 26.4% |

## Board Members

| Name | Role | Email | First Year | Term Expires |
| --- | --- | --- | --- | --- |
| Dan Mahoney | Member | mahoney.dan18@gmail.com | 2022 | 2026 |
| Jennifer Stone | Vice President | jenstone@rdusd.org | 2022 | 2026 |
| Marcial Lamera | President | marcialdelta@gmail.com | 2022 | 2026 |
| Randall Jelly | Clerk | rjelly@rdusd.org | 2024 | 2028 |
| Suzanne Wilson | Member | smt1103@yahoo.com | 2024 | 2028 |
| Vicente Lopez | Member | vicente1967@ymail.com | 2024 | 2026 |
| Wanda Apel | Member & SCOE Representative | wandaapel4467@comcast.net | 2024 | 2028 |

## Schools

| Rank | School | City | Reading | Math | Combined | Reading 2-Year | Math 2-Year |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | Isleton Elementary | Isleton | 61.0% | 50.0% | 55.5% | +9.0 | +8.4 |
| 2 | Delta Elementary Charter | Clarksburg | 41.7% | 42.3% | 42.0% | +0.7 | +1.8 |
| 3 | Bates Elementary | Courtland | 44.4% | 31.1% | 37.8% | +22.4 | +17.1 |
| 4 | Riverview Middle | Rio Vista | 39.2% | 22.8% | 31.0% | +11.0 | +11.9 |
| 5 | Walnut Grove Elementary | Walnut Grove | 32.4% | 25.0% | 28.7% | +7.4 | +9.1 |
| 6 | Rio Vista High | Rio Vista | 36.2% | 14.5% | 25.4% | +4.5 | +3.5 |
| 7 | D. H. White Elementary | Rio Vista | 25.8% | 22.8% | 24.3% | -10.2 | -7.6 |
| 8 | Delta High | Clarksburg | 35.5% | 9.8% | 22.7% | -17.9 | +5.3 |
| 9 | River Delta High/Elementary (Alternative) | Rio Vista | 33.3% | 8.3% | 20.8% | +1.8 | +3.1 |
| 10 | Clarksburg Middle | Clarksburg | 16.7% | 7.9% | 12.3% | -5.1 | -3.1 |