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SCHOOL COMMUNITY·KENT SCHOOL DISTRICT·NCES 530396003798

River Ridge Elementary

22420 Military Rd S, SeaTac, WA 98198 · (253) 373-7320 · King County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL697 STUDENTS
Enrollment
697
Elementary
DISTRICT 397 · STATE 380
Student : Teacher
16.6:1
42 FTE teachers
DISTRICT 15.6:1 · STATE 17.3:1
Free / Reduced Lunch
73%
507 students
DISTRICT 55% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
50
Kindergarten
100
Grade 1
118
Grade 2
110
Grade 3
108
Grade 4
110
Grade 5
101
Student demographics
White
14%
DISTRICT 26% · STATE 47%
Hispanic
25%
DISTRICT 24% · STATE 27%
Black
22%
DISTRICT 13% · STATE 5%
Asian
25%
DISTRICT 24% · STATE 9%
Two+
7%
DISTRICT 9% · STATE 9%
Native American
n/r
Pacific Islander
8%
DISTRICT 3% · STATE 2%
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
54%
Female
46%

Discussions

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
15.2%
WA avg 58.4% . -1.6pp since 2021
Math
16.1%
WA avg 51.2% . +1.4pp since 2021
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of WA schools after controlling for student poverty
Actual proficiency
16.0%
composite math + reading, all grades
Predicted
31.4%
based on WA schools with similar FRL share
Beats by
-15.4pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

About River Ridge Elementary

River Ridge Elementary operates as a big elementary school in SeaTac, Washington, run under Kent School District. Current enrollment sits at 697 students spanning grades pre-K through 5. By comparison, Washington's public schools average about 380 students each, so River Ridge Elementary sits 83% bigger than that benchmark.

Within Kent School District, which oversees 44 schools and 25,358 students, River Ridge Elementary is one campus in the system.

On the student-mix side, River Ridge Elementary lists that the largest single group is Asian at 25%, but no single group is in the majority; the rest breaks down as 25% Hispanic, 22% Black, 14% White, 8% Pacific Islander.

Looking at the economic backdrop, On paper, River Ridge Elementary has 42 full-time-equivalent teachers, translating to a class-load average of around 16.6:1. The state averages about 17.3:1, putting this campus right in line with peers. About 73% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, King County runs at roughly 38%, so the school's eligibility rate is somewhat above the surrounding baseline.

On a demographically-adjusted basis, River Ridge Elementary is in the bottom 10% of Washington public schools. The BeatsExpectations model predicts schools with this FRL share to land around 31.4%; River Ridge Elementary posts 16.0%, -15.4 points below that line.

In the broader community, King County reports that the typical household earns roughly $124,746 per year, 57% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. River Ridge Elementary is one of 544 public schools in King County (combined enrollment of about 278,492 students).

Nearest neighbor: Cascade Public Schools, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around River Ridge Elementary. Among the 9 schools in that immediate cluster with test data (this one included), River Ridge Elementary ranks 7th on composite proficiency, below the local average of 23.1%.

The campus sits in a bedroom-community setting.

On the community side, recent activity here tends to focus on school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.

King County at a glance

View full county profile
Population
2,287,171
Census ACS
Median income
$124,746
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
544
278,492 students

Quick facts

School name
River Ridge Elementary
District
Kent School District
Address
22420 Military Rd S, SeaTac, WA 98198
Phone
(253) 373-7320
County
King County
Level
Elementary
Grade range
PK–05
Total enrollment
697
Teachers (FTE)
42
Student–teacher ratio
16.6:1
Free/Reduced lunch
507 (73%)
Locale
21-Suburb: Large
NCES ID
530396003798
Charter school
No
Virtual school
No

Related schools

Other schools in Kent School District
Other schools in SeaTac
Nearby schools

Frequently asked questions

About River Ridge Elementary
How many students attend River Ridge Elementary?
River Ridge Elementary enrolls approximately 697 students in grades PK-05.
What age range does River Ridge Elementary serve?
River Ridge Elementary serves students from grade PK through grade 05.
How many students per teacher at River Ridge Elementary?
Approximately 16.6:1 students per teacher at River Ridge Elementary.
What is the racial breakdown of students at River Ridge Elementary?
At River Ridge Elementary, the student body is approximately 14% White, 25% Hispanic, 22% Black, 25% Asian, 7% Two or more.
Is River Ridge Elementary public or private?
River Ridge Elementary is a public K-12 school, overseen by Kent School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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