Challenger Elementary School (Ranked Top 10% for 2025-26)

25200 Se Klahanie Blvd
Issaquah, WA 98029

( shown in map)

10/

Top 10%

Serving 395 students in grades Kindergarten-5, Challenger Elementary School ranks in the top 10% of all schools in Washington for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).

The percentage of students achieving is 72% (which is higher than the Washington state average of 41%). The percentage of students achieving is 77% (which is higher than the Washington state average of 53%).

The student-teacher ratio of 15:1 is lower than the Washington state level of 16:1.

Minority enrollment is 66% of the student body (majority Asian), which is higher than the Washington state average of 52% (majority Hispanic and Asian).

Quick Facts (2025-26)

Grades: Kindergarten-5
Enrollment: 395 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 66%
: Top 10% in WA
: 72% (Top 10%)
: 77% (Top 10%)
: 75-79% (Top 10%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education

Top Rankings

Challenger Elementary School ranks among the top 20% of public schools in Washington for:

School Overview

Challenger Elementary School's student population of 395 students has declined by 29% over five school years.

The teacher population of 27 teachers has declined by 27% over five school years.

Grades Offered

Grades Kindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Challenger Elementary School
Kind	47
1	66
2	77
3	67
4	72
5	66

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Total Students

395 students

View Data

Total Students Trends Over Years (1993-2023)
Year	Challenger Elementary School
2023	423
2022	434
2021	512
2020	558
2019	558
2018	576
2017	576
2016	584
2015	605
2014	555
2013	521
2012	488
2011	499
2010	624
2009	581
2008	607
2007	616
2006	672
2005	563
2004	573
2003	579
2002	613
2001	718
2000	720
1999	670
1998	715
1997	685
1996	752
1995	697
1994	710
1993	659

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Gender %

Total Classroom Teachers

27 teachers

View Data

Total Classroom Teachers Trends Over Years (1992-2023)
Year	Challenger Elementary School
2023	29
2022	32
2021	39
2020	37
2019	37
2018	34
2017	34
2016	33
2015	35
2013	27
2012	26
2011	28
2010	33
2009	32
2008	32
2007	33
2006	30
2005	30
2004	31
2003	32
2002	31
2001	34
2000	34
1999	32
1998	33
1997	33
1996	34
1995	31
1994	33
1993	29
1992	30

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School Calendar

Last Day of School

Thu. Jun 25, 2026

School Mascot

Comets

School Rankings

Challenger Elementary School ranks within the top 10% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).

The of Challenger Elementary School is 0.72, which is more than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.

This School

State Level (WA)

#130 out of 2088 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Challenger Elementary School
2023	#130
2022	#122
2021	#379
2019	#379
2018	#221
2017	#237
2016	#236
2015	#84
2014	#123
2013	#267
2012	#163

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72%

41%

View Data

Math Proficiency Comparison Over Years (2011-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	72%	41%	72%
2022	75%	40%	71%
2019	69%	50%	77%
2018	74%	51%	78%
2017	72%	51%	78%
2016	74%	51%	77%
2015	78%	49%	76%
2014	88%	65%	85%
2013	85%	64%	84%
2012	83%	63%	84%
2011	83%	60%	82%

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77%

53%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Challenger Elementary School	Washington	Issaquah School District
2022	77%	53%	77%
2019	70%	61%	81%
2018	76%	61%	78%
2017	76%	61%	81%
2016	76%	62%	82%
2015	84%	56%	79%
2014	88%	74%	88%
2013	84%	73%	88%
2012	87%	72%	87%
2011	83%	70%	84%
2010	83%	70%	84%

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75-79%

49%

Student-Teacher Ratio

15:1

16:1

View Data

Student-Teacher Ratio Comparison Over Years (1992-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	15:1	16:1	19:1
2022	14:1	16:1	19:1
2021	13:1	16:1	18:1
2020	15:1	17:1	19:1
2019	15:1	17:1	19:1
2018	17:1	19:1	21:1
2017	17:1	18:1	21:1
2016	18:1	19:1	21:1
2015	17:1	18:1	19:1
2013	19:1	19:1	21:1
2012	19:1	20:1	21:1
2011	18:1	19:1	21:1
2010	19:1	19:1	21:1
2009	18:1	19:1	21:1
2008	19:1	19:1	21:1
2007	19:1	19:1	21:1
2006	22:1	19:1	21:1
2005	19:1	19:1	22:1
2004	18:1	19:1	21:1
2003	18:1	19:1	21:1
2002	20:1	19:1	21:1
2001	21:1	20:1	22:1
2000	21:1	20:1	22:1
1999	21:1	21:1	22:1
1998	22:1	20:1	22:1
1997	21:1	20:1	22:1
1996	22:1	21:1	23:1
1995	22:1	20:1	23:1
1994	21:1	20:1	22:1
1993	23:1	21:1	22:1
1992	19:1	21:1	21:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (2000-2011)
Year	Challenger Elementary School	Washington	Issaquah School District
2011	1%	2%
2010	1%	4%	1%
2009	2%	4%	1%
2008	2%	4%	1%
2007	1%	4%	1%
2006	1%	3%	2%
2005	1%	3%	1%
2004	2%	3%	1%
2000	1%	3%	1%

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Asian

37%

View Data

Asian Student Percentage Comparison Over Years (1993-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	35%	9%	35%
2022	35%	9%	35%
2021	41%	8%	34%
2020	32%	8%	31%
2019	32%	8%	31%
2018	32%	8%	29%
2017	32%	8%	29%
2016	30%	8%	26%
2015	31%	8%	26%
2014	31%	7%	23%
2013	32%	8%	23%
2012	32%	7%	23%
2011	33%	7%	23%
2010	36%	10%	23%
2009	34%	10%	22%
2008	32%	9%	21%
2007	29%	8%	19%
2006	26%	8%	17%
2005	28%	8%	16%
2004	21%	8%	14%
2003	18%	8%	12%
2002	19%	8%	11%
2001	17%	7%	11%
2000	16%	7%	10%
1999	15%	7%	10%
1998	13%	7%	8%
1997	12%	7%	7%
1996	11%	7%	7%
1995	10%	6%	7%
1994	9%	6%	7%
1993	9%	6%	6%

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Hispanic

15%

26%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	15%	26%	10%
2022	12%	25%	11%
2021	12%	25%	9%
2020	11%	24%	8%
2019	11%	24%	8%
2018	9%	23%	8%
2017	9%	23%	8%
2016	9%	22%	8%
2015	8%	22%	9%
2014	8%	21%	8%
2013	8%	20%	7%
2012	6%	20%	7%
2011	7%	18%	7%
2010	6%	16%	6%
2009	5%	16%	5%
2008	5%	15%	5%
2007	6%	14%	5%
2006	6%	14%	4%
2005	4%	13%	4%
2004	3%	12%	4%
2003	3%	12%	3%
2002	2%	11%	3%
2001	3%	10%	3%
2000	3%	10%	2%
1999	2%	9%	2%
1998	2%	9%	2%
1997	2%	8%	2%
1996	1%	8%	2%
1995	2%	7%	2%
1994	1%	7%	1%
1993	2%	6%	2%

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Black

View Data

Black Student Percentage Comparison Over Years (1993-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	4%	5%	3%
2022	2%	5%	2%
2021	2%	5%	2%
2020	1%	5%	2%
2019	1%	5%	2%
2016	1%	4%	1%
2014	1%	5%	2%
2013	1%	5%	2%
2012	1%	5%	2%
2011	1%	5%	2%
2010	1%	6%	3%
2009	2%	5%	2%
2008	2%	6%	2%
2007	3%	6%	2%
2006	3%	6%	2%
2005	3%	6%	2%
2004	2%	6%	2%
2003	2%	6%	2%
2002	2%	5%	2%
2001	1%	5%	2%
2000	1%	5%	1%
1999	1%	5%	1%
1998	1%	5%	1%
1997	2%	5%	1%
1996	1%	4%	1%
1995	1%	5%	1%
1994	1%	4%	1%
1993	1%	4%	1%

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White

34%

48%

View Data

White Student Percentage Comparison Over Years (1993-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	36%	49%	42%
2022	40%	50%	43%
2021	36%	51%	47%
2020	46%	53%	51%
2019	46%	53%	51%
2018	49%	55%	55%
2017	49%	55%	55%
2016	51%	56%	58%
2015	51%	57%	58%
2014	52%	58%	62%
2013	53%	59%	63%
2012	56%	60%	64%
2011	54%	63%	65%
2010	56%	64%	67%
2009	57%	65%	70%
2008	59%	66%	71%
2007	61%	68%	73%
2006	64%	69%	75%
2005	64%	70%	77%
2004	72%	71%	79%
2003	77%	71%	82%
2002	77%	73%	83%
2001	79%	74%	84%
2000	79%	75%	86%
1999	82%	76%	86%
1998	84%	76%	88%
1997	84%	77%	89%
1996	87%	78%	90%
1995	87%	79%	90%
1994	89%	80%	90%
1993	88%	81%	90%

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Hawaiian

n/a

View Data

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2011-2014)
Year	Challenger Elementary School	Washington
2014	1%	1%
2013	1%	1%
2012	1%	1%
2011	1%	1%

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Two or more races

10%

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	10%	9%	10%
2022	11%	9%	9%
2021	9%	9%	8%
2020	10%	8%	8%
2019	10%	8%	8%
2018	10%	8%	7%
2017	10%	8%	7%
2016	9%	7%	7%
2015	10%	7%	6%
2014	7%	7%	5%
2013	5%	6%	5%

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All Ethnic Groups

0.72

0.69

View Data

Diversity Score Comparison Over Years (1993-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	0.72	0.68	0.69
2022	0.70	0.68	0.68
2021	0.69	0.67	0.66
2020	0.67	0.65	0.64
2019	0.67	0.65	0.64
2018	0.65	0.64	0.61
2017	0.65	0.64	0.61
2016	0.64	0.63	0.59
2015	0.63	0.62	0.58
2014	0.64	0.61	0.56
2013	0.62	0.61	0.55
2012	0.58	0.60	0.54
2011	0.60	0.58	0.52
2010	0.56	0.56	0.48
2009	0.56	0.55	0.47
2008	0.56	0.54	0.45
2007	0.54	0.51	0.42
2006	0.52	0.49	0.40
2005	0.51	0.49	0.37
2004	0.44	0.48	0.34
2003	0.38	0.47	0.30
2002	0.38	0.45	0.29
2001	0.34	0.44	0.27
2000	0.35	0.42	0.26
1999	0.31	0.40	0.24
1998	0.28	0.40	0.22
1997	0.28	0.39	0.21
1996	0.23	0.39	0.19
1995	0.23	0.36	0.18
1994	0.20	0.35	0.19
1993	0.22	0.34	0.17

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Eligible for

18%

49%

View Data

Free Lunch Eligibility Comparison Over Years (2003-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	15%	41%	10%
2022	11%	36%	8%
2021	7%	35%	7%
2020	7%	35%	7%
2019	7%	35%	7%
2018	3%	37%	6%
2017	3%	37%	6%
2016	4%	38%	7%
2015	3%	39%	7%
2014	3%	39%	8%
2013	3%	38%	8%
2012	4%	37%	8%
2011	5%	33%	6%
2010	3%	33%	6%
2009	2%	29%	5%
2008	2%	28%	5%
2007	3%	28%	4%
2006	3%	29%	5%
2005	4%	27%	5%
2004	2%	27%	4%
2003	2%	26%	4%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2023)
Year	Challenger Elementary School	Washington	Issaquah School District
2023	4%	8%	3%
2021	1%	7%	2%
2020	1%	8%	2%
2019	1%	8%	2%
2018	1%	7%	1%
2017	1%	7%	1%
2015	1%	7%	1%
2014	1%	7%	2%
2013	2%	7%	2%
2012	2%	7%	2%
2011	1%	7%	2%
2010	1%	8%	2%
2009	2%	9%	2%
2008	3%	9%	2%
2007	2%	9%	2%
2006	3%	8%	2%
2005	2%	9%	2%
2004	2%	9%	2%
2003	1%	9%	2%

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School Statewide Testing

School District Name

Issaquah School District

Source: National Center for Education Statistics (NCES), WA Dept. of Education

School Notes

School Mascot: Comets

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Challenger Elementary School's ranking?

Challenger Elementary School is ranked #130 out of 2,088 schools, which ranks it among the top 10% of public schools in Washington.

What schools are Challenger Elementary School often compared to?

Challenger Elementary Schoolis often viewed alongside schools like Endeavour Elementary School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

72% of students have achieved math proficiency (compared to the 41% WA state average), while 77% of students have achieved reading proficiency (compared to the 53% WA state average).

How many students attend Challenger Elementary School?

395 students attend Challenger Elementary School.

What is the racial composition of the student body?

37% of Challenger Elementary School students are Asian, 34% of students are White, 15% of students are Hispanic, 10% of students are Two or more races, and 4% of students are Black.

What is the student-teacher ratio of Challenger Elementary School?

Challenger Elementary School has a student ration of 15:1, which is lower than the Washington state average of 16:1.

What grades does Challenger Elementary School offer ?

Challenger Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).

What school district is Challenger Elementary School part of?

Challenger Elementary School is part of Issaquah School District.

In what neighborhood is Challenger Elementary School located?

Challenger Elementary School is located in the Klahanie neighborhood of Issaquah, WA. There are 2 other public schools located in Klahanie.