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SCHOOL COMMUNITY·ISSAQUAH SCHOOL DISTRICT·NCES 530375002214

Challenger Elementary

25200 SE KLAHANIE BLVD, ISSAQUAH, WA 98029 · (425) 837-7550 · King County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL350 STUDENTS
Enrollment
350
Elementary
DISTRICT 452 · STATE 380
Student : Teacher
12.4:1
28 FTE teachers
DISTRICT 16.3:1 · STATE 17.3:1
Free / Reduced Lunch
17%
59 students
DISTRICT 18% · 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
Kindergarten
52
Grade 1
47
Grade 2
61
Grade 3
74
Grade 4
50
Grade 5
66
Student demographics
White
31%
DISTRICT 39% · STATE 47%
Hispanic
13%
DISTRICT 11% · STATE 27%
Black
4%
DISTRICT 3% · STATE 5%
Asian
41%
DISTRICT 37% · STATE 9%
Two+
10%
DISTRICT 10% · STATE 9%
Native American
n/r
Pacific Islander
n/r
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
57%
Female
43%

Discussions

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
69.7%
WA avg 58.4% . -11.9pp since 2014
Math
71.4%
WA avg 51.2% . -4.9pp since 2014
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
71.9%
composite math + reading, all grades
Predicted
68.9%
based on WA schools with similar FRL share
Beats by
+3.0pp
above 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 →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
350
-269 (-43%) vs 2017
Student : Teacher
12.4:1
was 17.1:1
% White
31%
was 43%
% Hispanic
13%
was 11%
% Black
4%
was 1%
% Asian
41%
was 34%
Source: NCES Common Core of Data

About Challenger Elementary

Located at 25200 SE KLAHANIE BLVD, in ISSAQUAH, Washington, Challenger Elementary is an average-sized K-5 school that works with 350 students (grades K through 5), overseen by Issaquah School District.

Challenger Elementary is one of 30 schools operated by Issaquah School District, a district that enrolls 19,098 students overall.

For racial and ethnic makeup, Challenger Elementary logs that the largest single group is Asian at 41%, but no single group is in the majority. The remainder breaks down as 31% White, 13% Hispanic, 10% multiracial, 4% Black. By comparison, King County as a whole is about 21% Asian, so the school skews noticeably more Asian than its surroundings.

On the resource side, Staff filings list 28 full-time-equivalent teachers, which works out to roughly 12.4:1 students per teacher. The state averages around 17.3:1, so this campus is tighter than the state norm typical. About 17% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is below King County's rate of about 38%.

Adjusting for the school's free-and-reduced-lunch share, Challenger Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 68.9%, the actual is 71.9%, a residual of +3.0 points.

In the area at large, census data for King County shows the typical household earns roughly $124,746 per year, roughly 57% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across King County's 544 public schools (combined enrollment of about 278,492 students), Challenger Elementary is one campus in the mix.

The closest other public school is Beaver Lake Middle School, roughly 0.2 miles away. Counting just inside five miles, 8 other public schools cluster around Challenger Elementary. Ranking that nearby cluster on reported proficiency puts Challenger Elementary at 9th of 9; the average score across the group is 82.1%.

Geographically, the school is in a suburban area.

Looking at the recent track record. Over the past 7-year window, the student count ticked down 43%: 619 students in 2018 compared to 350 in 2025. The White share of enrollment declined from 43% to 31% over that span. The student-to-teacher ratio fell from 17.1:1 in 2018 to 12.4:1 today.

Within the allk12 community for this school, members of the Challenger Elementary community share and discuss science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.

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
Challenger Elementary
District
Issaquah School District
Address
25200 SE KLAHANIE BLVD, ISSAQUAH, WA 98029
Phone
(425) 837-7550
County
King County
Level
Elementary
Grade range
KG–05
Total enrollment
350
Teachers (FTE)
28
Student–teacher ratio
12.4:1
Free/Reduced lunch
59 (17%)
Locale
21-Suburb: Large
NCES ID
530375002214
Charter school
No
Virtual school
No

Related schools

Other schools in Issaquah School District
Other schools in ISSAQUAH
Nearby schools

Frequently asked questions

About Challenger Elementary
What is the total enrollment at Challenger Elementary?
Challenger Elementary enrolls approximately 350 students in grades KG-05.
What grades does Challenger Elementary serve?
Challenger Elementary serves grades KG-05.
What is the student-teacher ratio at Challenger Elementary?
The student-to-teacher ratio at Challenger Elementary is approximately 12.4:1 (28 FTE teachers).
What is the racial breakdown of students at Challenger Elementary?
At Challenger Elementary, the student body is approximately 31% White, 13% Hispanic, 4% Black, 41% Asian, 10% Two or more.
Who oversees Challenger Elementary?
Challenger Elementary is overseen by Issaquah School District in King County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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