- Enrollment
- 2,186
- Students per teacher
- 24.8:1
- Resource Index
- 40/100
Other / mixed grade configuration · Seatac, WA
River Ridge Elementary
Federal NCES profile for River Ridge Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataOther / mixed grade configurationNCES 530396003798
👥 S:T ratio 27
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 18
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
River Ridge Elementary earns 29/100 on the Resource Investment Index, with class sizes near the Washington median. It is also more racially and ethnically mixed than most Washington schools.
- #4 of 5
- schools in Seatac · Resource Index
- 29
- Resource Index · Lower
- 18.3:1
- students per teacher
- 70.5%
- free-lunch eligible
River Ridge Elementary has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, River Ridge Elementary ranks #4 of 5 schools in Seatac, WA.
School address
District: Kent School District · Washington
NCES ID 530396003798 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
River Ridge Elementary held near 660 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE added 38.5 → 41.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 530396003798 · Seatac, WA Other · MID · TRAD
697 enr · 18.3:1 · 70.5% lunch · RII 29
Nearest enrollment peer: Kentridge High School (2,186 students)
River Ridge Elementary held near 660 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE added 38.5 → 41.5 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
River Ridge Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Kentridge High
Kentridge High School
2,186 students
- Kentwood High
Kentwood High School
1,995 students
- Kent-Meridian
Kent-Meridian High School
1,639 students
- Kentlake High
Kentlake High School
1,561 students
- Northwood Midd
Northwood Middle School
911 students
- This school 697
River Ridge Elementary
697 students
What this shows River Ridge Elementary reports 697 students on the CCD universe file.
How River Ridge Elementary compares
River Ridge Elementary held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.3:1 | ▲ 4% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 70.5% | ▲ 57% | 45.0% | 51.7% |
| Enrollment | 697 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
697
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
70.5%
free-lunch eligible
- 57% above the Washington average of 45.0%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
18.3:1
students per teacher
- 4% above state mean
Top 67% in Washington - lower ratio than 33% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$19,199
per pupil, district-wide
- below Washington avg of $20,912
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 697 students, the combined health-and-guidance staffing load for this school.
Discipline context
13
in-school suspensions + 24 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 5.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Asian 25.3%
Hispanic or Latino 25.1%
African American 21.5%
White 13.6%
Native Hawaiian / Pacific Islander 7.6%
Two or More 6.6%
American Indian / Alaska Native 0.3%
Largest group: Asian at 25.3% of enrollment.
Student-body diversity index 79.8/100
Simpson diversity index - at 79.8, River Ridge Elementary is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
District finance for Kent School District reports $19,199 per pupil (NCES F-33) - open the district page for the full revenue mix.
How River Ridge Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kentridge High School | Larger | Lower economic need | Higher S:T ratio |
| Kentwood High School | Larger | Lower economic need | Higher S:T ratio |
| Kent-Meridian High School | Larger | Similar economic need | Lower S:T ratio |
| Kentlake High School | Larger | Lower economic need | Higher S:T ratio |
| Northwood Middle School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to River Ridge Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,995
- Students per teacher
- 25.3:1
- Resource Index
- 33/100
- Enrollment
- 1,639
- Students per teacher
- 16.2:1
- Resource Index
- 36/100
- Enrollment
- 1,561
- Students per teacher
- 23.3:1
- Resource Index
- 35/100
- Enrollment
- 911
- Students per teacher
- 31.4:1
- Resource Index
- 38/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~697 students)
Frequently asked questions about River Ridge Elementary
How many students attend River Ridge Elementary?
River Ridge Elementary has 697 students enrolled. It is a public school in Seatac, WA. CCD year-over-year: 678 (2022-23) → 660 (2023-24), nearly flat (-18).
What is the student-teacher ratio at River Ridge Elementary?
The student-teacher ratio at River Ridge Elementary is 18.3:1, which is 4% higher than the Washington average of 17.6:1 and 17% higher than the national average of 15.7:1.
What percentage of students receive free lunch at River Ridge Elementary?
70.5% of students at River Ridge Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of River Ridge Elementary?
The largest demographic group at River Ridge Elementary is Asian at 25.3% of enrollment, in Seatac, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 79.8/100.
What is the Resource Investment Index for River Ridge Elementary?
River Ridge Elementary has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does River Ridge Elementary rank among schools in Seatac?
By Resource Investment Index, River Ridge Elementary ranks #4 of 5 schools in Seatac, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Seatac on the city page.
What other schools are in Kent School District?
Besides River Ridge Elementary, Kent School District also operates Kentridge High School (2,186 students), Kentwood High School (1,995 students), and Kent-Meridian High School (1,639 students). See the Kent School District district page for the complete list.