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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, 2024-25

GradeStudentsShare
Kindergarten5215%
Grade 14713%
Grade 26117%
Grade 37421%
Grade 45014%
Grade 56619%

This year's kindergarten class (52) is 21% smaller than its 5th grade class (66).

Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 68% · US 70%
White
10931%
DISTRICT 39% · STATE 47% · US 43%
Hispanic
4513%
DISTRICT 11% · STATE 27% · US 30%
Black
154%
DISTRICT 3% · STATE 5% · US 15%
Asian
14541%
DISTRICT 37% · STATE 9% · US 6%
Two+
3610%
DISTRICT 10% · STATE 9% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19957%
Female
15143%

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

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 70 of every 100 students at this school read and write at grade level and about 71 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are down about 12 points since 2014, while math scores are down about 5 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2569.7%71.4%
2023-2470.9%70.5%
2022-2374.6%73.2%
2021-2277.8%75.1%
2018-1970.7%70.2%
2017-1877.0%73.9%
2016-1775.6%71.5%
2015-1675.1%73.7%
2014-1581.6%76.3%
% Met or Exceeded Standard, all students and all tested grades.
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

What this means: About 72% of students here test proficient in math and reading, compared with the roughly 69% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Challenger Elementary

Challenger Elementary's state test result (71.9% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Challenger Elementary this school35016.9%71.9%
Emily Dickinson Elementary
Redmond
29413.3%73.7%
Cedar Trails Elementary
Sammamish
37415.5%75.7%
Newcastle Elementary School
Newcastle
45121.7%79.7%
Ridgewood Elementary School
Renton
41221.6%67.9%
Cougar Ridge Elementary
BELLEVUE
45810.7%82.0%
Matched among Washington elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Challenger Elementary ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
71.9%#117 of 936#85 of 280
Math proficiency
ranked highest first
71.4%#113 of 1,103
▲ 12
#75 of 281
▲ 10
Reading proficiency
ranked highest first
69.7%#160 of 1,102
▼ 18
#93 of 280
▼ 2
3-year test score change
ranked biggest drop first
-5.9pp#122 of 928#41 of 274
Enrollment
ranked largest first
350#798 of 1,268#216 of 299
Students per teacher
ranked fewest first
12.4:1#37 of 1,085#16 of 280
Diversity index
ranked most diverse first
70.2%#283 of 1,088#149 of 281
Free and reduced lunch
ranked highest share first
16.9%#1,065 of 1,169#214 of 292
Enrollment change since 2017-18
ranked steepest decline first
-43.5%#19 of 778#13 of 220
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
350
-162 (-32%) vs 2020
-58% since 1990-91, when it was 831
Student : Teacher
12.4:1
was 13.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2535028.212.4:117% (59)
2023-2439527.314.5:118% (71)
2022-2342329.314.4:119% (80)
2020-215123913.1:17% (38)
2017-1861936.317.1:16% (39)
2015-165843317.7:15% (28)
2010-114992718.5:17% (34)
2000-017183421.1:1N/A
1990-918313921.3:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Challenger Elementary.

Since 2017-18: students down 43% (619 to 350); teachers down 22% (36.3 to 28.2).

About Challenger Elementary

Challenger Elementary is a mid-sized elementary school serving families in ISSAQUAH, Washington. It had 350 students in 2024-25, spanning kindergarten through 5.

The 30 schools in Issaquah School District enroll 19,098 students altogether, Challenger Elementary among them.

Of every 100 students at Challenger Elementary, about 41 are Asian, the largest group. The school is also 31% White, 13% Hispanic, 10% multiracial, and 4% Black. That is higher than the 21% Asian share among all King County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 70%.

There are about 12.4 students for every full-time-equivalent teacher at Challenger Elementary, which has 28.2. Elementary schools in Washington have an average ratio of 17.3:1. Eligibility for free or reduced-price lunch stands at 17%. That is lower than the 38% average for public schools in King County.

On a poverty-adjusted basis, Challenger Elementary falls in the middle 80% of Washington schools: 71.9% actual against 68.9% predicted.

American Community Survey estimates for King County show that the median household earns about $124,746 a year, about 57% of adults have at least a bachelor's degree, and the poverty rate is about 5%. Across King County, 544 public schools serve about 278,492 students.

About 0.2 miles separate Challenger Elementary from the closest public school, Beaver Lake Middle School. Within five miles are at least 8 other public schools. Compared with its nearest neighbors, Challenger Elementary ranks 9th of 9 on average proficiency.

Federal data place Challenger Elementary in the Suburb: Large locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The school's student count decreased 32% between the 2020-21 and 2024-25 school years.

The allk12 page for Challenger Elementary lets the school community talk about special education services, counseling, and support programs. Current and former families are welcome to add their experience.

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 and 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
Other Challenger Elementary schools

8 other US public schools in 7 states are named Challenger Elementary. Challenger Elementary is the 9th largest of the 9.

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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