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SCHOOL COMMUNITY·MUKILTEO SCHOOL DISTRICT·NCES 530543001727

Endeavour Elementary

12300 Harbour Pointe Blvd, Mukilteo, WA 98275 · (425) 366-2800 · Snohomish County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL436 STUDENTS
Enrollment
436
Elementary
DISTRICT 507 · STATE 380
Student : Teacher
15.0:1
29 FTE teachers
DISTRICT 14.7:1 · STATE 17.3:1
Free / Reduced Lunch
24%
105 students
DISTRICT 56% · 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
Kindergarten5914%
Grade 16816%
Grade 27417%
Grade 38018%
Grade 47918%
Grade 57617%

This year's kindergarten class (59) is 22% smaller than its 5th grade class (76).

Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 68% · US 70%
White
18142%
DISTRICT 34% · STATE 47% · US 43%
Hispanic
4611%
DISTRICT 30% · STATE 27% · US 30%
Black
307%
DISTRICT 10% · STATE 5% · US 15%
Asian
12930%
DISTRICT 15% · STATE 9% · US 6%
Two+
4811%
DISTRICT 9% · STATE 9% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
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
22351%
Female
21249%

Discussions

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
57.1%
WA avg 58.4% . -20.0pp since 2014
Math
65.8%
WA avg 51.2% . -11.9pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 57 of every 100 students at this school read and write at grade level and about 66 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 20 points since 2014, while math scores are down about 12 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2557.1%65.8%
2023-2461.7%66.8%
2022-2367.2%71.4%
2021-2259.5%67.5%
2018-1971.6%72.1%
2017-1871.4%72.5%
2016-1769.4%74.3%
2015-1678.1%77.7%
2014-1577.2%77.7%
% 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
63.5%
composite math + reading, all grades
Predicted
64.0%
based on WA schools with similar FRL share
Beats by
-0.6pp
below demographic expectation

What this means: About 63% of students here test proficient in math and reading, compared with the roughly 64% 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 Endeavour Elementary

Endeavour Elementary's state test result (63.5% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Endeavour Elementary this school43624.1%63.5%
Hazelwood Elementary School
Newcastle
47820.3%72.6%
Sunset Elementary
BELLEVUE
49919.2%68.4%
Maplewood Heights Elementary School
Renton
39519.5%70.2%
Ridgewood Elementary School
Renton
41221.6%67.9%
Silver Firs Elementary
Everett
53822.1%79.8%
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 Endeavour Elementary ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn Snohomish County
State test proficiency
ranked highest first
63.5%#213 of 936#27 of 105
Math proficiency
ranked highest first
65.8%#182 of 1,103
▼ 23
#19 of 106
▲ 2
Reading proficiency
ranked highest first
57.1%#363 of 1,102
▼ 85
#45 of 106
▼ 12
3-year test score change
ranked biggest drop first
-2.0pp#278 of 928#20 of 105
Enrollment
ranked largest first
436#498 of 1,268#76 of 118
Students per teacher
ranked fewest first
15.0:1#347 of 1,085#37 of 109
Diversity index
ranked most diverse first
71.1%#248 of 1,088#30 of 110
Free and reduced lunch
ranked highest share first
24.1%#994 of 1,169#90 of 114
Enrollment change since 2017-18
ranked steepest decline first
-10.8%#535 of 778#34 of 68
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
436
-2 (0%) vs 2020
0% since 2000-01, when it was 437
Student : Teacher
15.0:1
was 14.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254362915.0:124% (105)
2023-244422815.8:128% (122)
2022-2343628.715.2:125% (109)
2020-214383014.6:120% (87)
2017-1848928.417.2:120% (100)
2015-165032619.4:118% (92)
2010-115902721.9:119% (112)
2000-014372120.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Endeavour Elementary.

Since 2017-18: students down 11% (489 to 436); teachers up 2% (28.4 to 29).

About Endeavour Elementary

Students in Mukilteo, Washington, attend Endeavour Elementary, a mid-sized elementary school. The school enrolls 436 students in kindergarten through 5.

Mukilteo School District has 23 schools; together they serve 15,175 students.

Of every 100 students at Endeavour Elementary, about 42 are White, the largest group. Other students are 30% Asian, 11% multiracial, 11% Hispanic, and 7% Black. That is lower than the 64% White share among all Snohomish County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 71%.

A staff of 29 full-time-equivalent teachers puts the student-to-teacher ratio at 15.0:1. The gap from the 17.3:1 average for elementary schools in Washington is 2.3 students per teacher. By family income, 24% of students are eligible for free or reduced-price lunch. The gap from the 41% average for public schools in Snohomish County is 17 points.

BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Endeavour Elementary, the prediction is 64.0% and the result is 63.5%.

Census data for Snohomish County show median household income comes to about $111,246, the share of adults with a bachelor's degree or higher is 38%, and roughly 6% of residents are in poverty. The county has 227 public schools and about 118,688 students.

Measured in a straight line, Picnic Point Elementary is about 0.9 miles from Endeavour Elementary. Other public schools within five miles: at least 8. Among 7 nearby schools that report test results, Endeavour Elementary ranks 1st on proficiency.

Endeavour Elementary has an NCES locale of Suburb: Large.

There was little change in enrollment from 2020-21 (438) to 2024-25 (436).

Anyone can start a thread about fundraisers, report cards, and school supplies at Endeavour Elementary. Teachers and staff are welcome to share updates too.

Snohomish County at a glance

View full county profile
Population
844,430
Census ACS
Median income
$111,246
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
227
118,688 students

Quick facts

School name
Endeavour Elementary
District
Mukilteo School District
Address
12300 Harbour Pointe Blvd, Mukilteo, WA 98275
Phone
(425) 366-2800
County
Snohomish County
Level
Elementary
Grade range
KG–05
Total enrollment
436
Teachers (FTE)
29
Student–teacher ratio
15.0:1
Free and reduced lunch
105 (24%)
Locale
21-Suburb: Large
NCES ID
530543001727
Charter school
No
Virtual school
No

Related schools

Other schools in Mukilteo School District
Other schools in Mukilteo
Other Endeavour Elementary schools

5 other US public schools in 4 states are named Endeavour Elementary. Endeavour Elementary is the 6th largest of the 6.

Nearby schools

Frequently asked questions

About Endeavour Elementary
How many students attend Endeavour Elementary?
Endeavour Elementary enrolls approximately 436 students in grades KG-05.
Is Endeavour Elementary an elementary, middle, or high school?
Endeavour Elementary is an elementary school covering grades KG-05.
How many teachers does Endeavour Elementary have?
Endeavour Elementary employs 29 FTE teachers, for a student-to-teacher ratio of 15.0:1.
What is the student diversity at Endeavour Elementary?
Student demographics at Endeavour Elementary are roughly 42% White, 11% Hispanic, 7% Black, 30% Asian, 11% Two or more.
What district is Endeavour Elementary in?
Endeavour Elementary is part of Mukilteo School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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