- Riverside Elementary — Grades PK–5 · 380 students
- Chattaroy Elementary — Grades PK–4 · 320 students
- Riverside Middle School — Grades 6–8 · 325 students
- Riverside High School — Grades 9–12 · 432 students
- Independent Scholar — Grades K–12 · 113 students
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| Metric | Riverside School District | National Average | Comparison |
|---|---|---|---|
| Student Enrollment | 1,605 | 3,700 | ↓ Smaller than avg |
| Number of Schools | 5 | 6 | Varies by district |
| Per-Pupil Spending | $14,700/yr (est.) | $13,700/yr | State avg est. |
| District Type | Public School District | Public District | — |
| Overall Rating | 8/10 — Good | — | Above average |
| District | Rating | Percentile | Students |
|---|---|---|---|
| Riverside School District (this district) | 8/10 | 74th | 1,605 |
| Reardan-Edwall School District | 6/10 | 53rd | 671 |
| Medical Lake School District | 8/10 | 77th | 1,897 |
| Deer Park School District | 7/10 | 63rd | 2,774 |
🔢 Show the math behind this rating
Ranked against 242 rated districts in WA → 74th percentile → 8/10.
Source: Washington OSPI SBAC ELA & Math, Meets/Exceeds Standard, 2024–25 school year. Full methodology →
About Riverside School District
Zip code 99009 in Riverside, Washington is served by Riverside School District for public school enrollment. The district covers grades Pre-K – 12th. This page provides a data-driven overview of Riverside School District’s funding levels, size, rating, and what families should know before enrolling or making a housing decision in this area.
Understanding the 8/10 Rating
Riverside School District has earned an overall SchoolDistrictFinder rating of 8/10, placing it in the above average tier. Our ratings are based on state assessment results — the share of students scoring proficient or above in reading and math, as reported in Washington’s SBAC ELA & Math assessments (2024–25 school year). We average each district’s reading and math proficiency, then rank it against other districts in the same state to produce a 1–10 score. Because Washington is compared only against itself, the rating reflects how this district performs relative to its in-state peers.
Riverside School District earns an above-average rating, with reading and math proficiency rates stronger than most other districts in Washington. Above-average districts generally show solid and consistent academic results across their schools. Families considering this area will find a district with meaningful academic strengths. Research the specific schools assigned to your address — even above-average districts have variation between individual buildings.
Enrollment for Families in Zip Code 99009
Children in zip code 99009 are assigned to Riverside School District for public school enrollment, covering grades Pre-K – 12th. School assignments are address-specific — your elementary, middle, and high school placements depend on your exact street address within zip code 99009, not just your neighborhood. Two homes on opposite ends of the same zip code may be assigned to different schools within the same district.
To confirm your specific school assignments, contact Riverside School District at (509)464-8201. Typical enrollment documents include proof of residency (lease or deed plus a utility bill), your child’s birth certificate, current immunization records, and prior school records. If your child has an IEP or 504 plan, bring that documentation to enrollment — Washington districts are required to continue services within a reasonable period. Fall enrollment windows typically open in late winter or early spring; contact the district for exact dates and required steps.
School Districts and Home Values in Elk
School district quality is one of the most consistent factors in residential home pricing. Because Riverside School District serves zip code 99009, buyers should factor school district quality into their overall evaluation of homes in zip code 99009. District boundaries are address-specific — verify the exact district assignment for any property you’re seriously considering rather than assuming based on the neighborhood. A single block can place two adjacent homes in different districts with different ratings and different annual property tax implications.
Use the property tax estimator on this page to calculate estimated annual tax obligations based on your target purchase price. In Washington, property taxes are a primary funding source for public schools — your tax payments directly support Riverside School District programs and staff. Understanding both district quality and the associated tax burden is essential financial due diligence before committing to any home in zip code 99009.
Data Sources and Accuracy
All district information on this page is sourced from the NCES Common Core of Data (CCD) 2024–2025, the U.S. Department of Education’s annual census of all public school districts — the same dataset used by researchers, journalists, and policymakers to analyze American public education. District boundaries, school assignments, phone numbers, and per-pupil expenditure figures are updated annually when NCES publishes new data, typically in spring. Always verify your specific school assignment and enrollment requirements directly with Riverside School District before making any housing or enrollment decision based on zip code 99009 data.