The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·FEDERAL WAY SCHOOL DISTRICT·NCES 530282000444

Nautilus K-8 School

1000 S 289TH ST, FEDERAL WAY, WA 98003 · (253) 945-3400 · King County
GRADES KG–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL469 STUDENTS
B
allk12 Grade
Scored higher than 56% of Washington public elementary schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • C+Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Washington public elementary schools

Enrollment
469
Elementary
DISTRICT 433 · STATE 380
Student : Teacher
16.5:1
29 FTE teachers
DISTRICT 16.1:1 · STATE 17.3:1
Free / Reduced Lunch
66%
311 students
DISTRICT 72% · 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
Kindergarten5512%
Grade 16814%
Grade 26814%
Grade 37616%
Grade 46213%
Grade 57416%
Grade 6225%
Grade 7214%
Grade 8235%

This year's kindergarten class (55) is 139% larger than its 8th grade class (23).

Student demographics
78%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 79% · STATE 68% · US 70%
White
11224%
DISTRICT 19% · STATE 47% · US 43%
Hispanic
15533%
DISTRICT 33% · STATE 27% · US 30%
Black
5311%
DISTRICT 15% · STATE 5% · US 15%
Asian
6213%
DISTRICT 14% · STATE 9% · US 6%
Two+
7316%
DISTRICT 12% · STATE 9% · US 5%
Native American
20%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
112%
DISTRICT 6% · STATE 2% · US 0%
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
25855%
Female
21045%

Discussions

+ POST

Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
48.9%
WA avg 58.4% . +0.6pp since 2014
Math
41.4%
WA avg 51.2% . -8.8pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 49 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores have held steady since 2014, while math scores are down about 9 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2548.9%41.4%
2023-2441.8%37.9%
2022-2350.4%40.4%
2021-2248.9%41.0%
2018-1950.1%50.0%
2017-1852.7%44.2%
2016-1753.6%49.1%
2015-1653.1%39.5%
2014-1548.3%50.2%
% 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
44.3%
composite math + reading, all grades
Predicted
35.7%
based on WA schools with similar FRL share
Beats by
+8.6pp
above demographic expectation

What this means: About 44% of students here test proficient in math and reading, compared with the roughly 36% 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 Nautilus K-8 School

Nautilus K-8 School's state test result (44.3% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Nautilus K-8 School this school46966.3%44.3%
Ilalko Elementary School
AUBURN
46863.0%42.1%
Birney Elementary School
Tacoma
47671.6%26.9%
Lyon Elementary School
Tacoma
38167.7%39.6%
Boze Elementary School
Tacoma
48567.6%33.9%
Brigadoon Elementary School
Federal Way
36665.8%42.5%
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 Nautilus K-8 School ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
44.3%#534 of 936#186 of 280
Math proficiency
ranked highest first
41.4%#620 of 1,103
▲ 60
#186 of 281
▲ 14
Reading proficiency
ranked highest first
48.9%#539 of 1,102
▲ 138
#172 of 280
▲ 22
3-year test score change
ranked biggest gain first
+0.2pp#542 of 928#153 of 274
Enrollment
ranked largest first
469#385 of 1,268#104 of 299
Students per teacher
ranked fewest first
16.5:1#695 of 1,085#177 of 280
Diversity index
ranked most diverse first
77.8%#73 of 1,088#42 of 281
Free and reduced lunch
ranked highest share first
66.3%#330 of 1,169#66 of 292
Enrollment change since 2017-18
ranked steepest decline first
-13.6%#479 of 778#149 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
469
-22 (-4%) vs 2020
-18% since 1990-91, when it was 571
Student : Teacher
16.5:1
was 17.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2546928.516.5:166% (311)
2023-2446927.517.1:167% (312)
2022-2344026.516.6:165% (286)
2020-214912817.5:158% (284)
2017-1854330.417.9:153% (290)
2015-165032818.0:156% (284)
2010-114512518.0:130% (135)
2000-015962722.1:1N/A
1990-915712127.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Nautilus K-8 School.

Since 2017-18: students down 14% (543 to 469); teachers down 6% (30.4 to 28.5).

About Nautilus K-8 School

Nautilus K-8 School is a medium-sized elementary school found in FEDERAL WAY, Washington. Students in kindergarten through 8 attend, and enrollment is 469 students. The school's enrollment is 23% larger than the 380 average for elementary schools in Washington.

Federal Way School District has 22,250 students in 43 schools, and Nautilus K-8 School is one of those schools.

No single group makes up more than half of enrollment at Nautilus K-8 School. The largest is Hispanic students, at 33%. The next largest groups are 24% White, 16% multiracial, 13% Asian, and 11% Black. In King County overall, about 11% of residents are Hispanic. The school's diversity index is 78%, meaning two students picked at random have a 78% chance of belonging to different racial or ethnic groups.

Federal data list 28.5 full-time-equivalent teachers at Nautilus K-8 School in 2024-25, for a ratio of 16.5:1. That is 0.8 students per teacher below the 17.3:1 average for elementary schools in Washington. The school's rate of free or reduced-price lunch eligibility is 66%. On average, public schools in King County report 38%.

Measured against Washington public elementary schools, Nautilus K-8 School receives a B. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Nautilus K-8 School posts an average proficiency rate on state tests of 44.3%, compared with a predicted 35.7%. It is not in the top or bottom 10% of Washington schools on BeatsExpectations.

King County has about 2,287,171 residents, and the median household income is $124,746, 57% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Besides Nautilus K-8 School, King County has 543 other public schools.

The closest public school to Nautilus K-8 School is Sacajawea Middle School, about 0.6 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. Its average proficiency rate of 44.3% is above the 27.3% average for nearby schools.

In the federal locale system, Nautilus K-8 School is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The school enrolled 469 students in 2024-25, 22 fewer than the 491 it had in 2020-21. The student-to-teacher ratio fell from 17.5:1 in 2020-21 to 16.5:1 in 2024-25.

If you have questions about school safety, transportation, and start times at Nautilus K-8 School, you can post them here. Anyone with firsthand experience at this school can post or comment.

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
Nautilus K-8 School
District
Federal Way School District
Address
1000 S 289TH ST, FEDERAL WAY, WA 98003
Phone
(253) 945-3400
County
King County
Level
Elementary
Grade range
KG–08
Total enrollment
469
Teachers (FTE)
29
Student–teacher ratio
16.5:1
Free and reduced lunch
311 (66%)
Locale
21-Suburb: Large
NCES ID
530282000444
Charter school
No
Virtual school
No

Related schools

Other schools in Federal Way School District
Other schools in FEDERAL WAY
Nearby schools

Frequently asked questions

About Nautilus K-8 School
What is the total enrollment at Nautilus K-8 School?
Nautilus K-8 School enrolls approximately 469 students in grades KG-08.
What grades does Nautilus K-8 School serve?
Nautilus K-8 School serves grades KG-08.
What is the student-teacher ratio at Nautilus K-8 School?
The student-to-teacher ratio at Nautilus K-8 School is approximately 16.5:1 (29 FTE teachers).
What is the student diversity at Nautilus K-8 School?
Student demographics at Nautilus K-8 School are roughly 24% White, 33% Hispanic, 11% Black, 13% Asian, 16% Two or more.
What district is Nautilus K-8 School in?
Nautilus K-8 School is part of Federal Way School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post