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SCHOOL COMMUNITY·FEDERAL WAY SCHOOL DISTRICT·NCES 530282001835

Mark Twain Elementary School

2450 S STAR LAKE RD, FEDERAL WAY, WA 98003 · (253) 945-3100 · King County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL531 STUDENTS
C-
allk12 Grade
Scored higher than 24% of Washington public elementary schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • A-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
531
Elementary
DISTRICT 433 · STATE 380
Student : Teacher
16.1:1
33 FTE teachers
DISTRICT 16.1:1 · STATE 17.3:1
Free / Reduced Lunch
89%
470 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
Kindergarten10420%
Grade 19117%
Grade 29919%
Grade 37915%
Grade 48917%
Grade 56913%

This year's kindergarten class (104) is 51% larger than its 5th grade class (69).

Student demographics
79%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 79% · STATE 68% · US 70%
White
387%
DISTRICT 19% · STATE 47% · US 43%
Hispanic
16030%
DISTRICT 33% · STATE 27% · US 30%
Black
10820%
DISTRICT 15% · STATE 5% · US 15%
Asian
12023%
DISTRICT 14% · STATE 9% · US 6%
Two+
6612%
DISTRICT 12% · STATE 9% · US 5%
Pacific Islander
397%
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
26951%
Female
26249%

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
29.2%
WA avg 58.4% . -5.6pp since 2014
Math
17.6%
WA avg 51.2% . -17.2pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 29 of every 100 students at this school read and write at grade level and about 18 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 6 points since 2014, while math scores are down about 17 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2529.2%17.6%
2023-2427.8%13.2%
2022-2323.7%15.9%
2021-2219.6%13.3%
2018-1929.4%23.8%
2017-1832.4%28.7%
2016-1723.1%31.1%
2015-1639.0%41.1%
2014-1534.8%34.8%
% 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
22.9%
composite math + reading, all grades
Predicted
20.8%
based on WA schools with similar FRL share
Beats by
+2.0pp
above demographic expectation

What this means: About 23% of students here test proficient in math and reading, compared with the roughly 21% 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 Mark Twain Elementary School

Mark Twain Elementary School's state test result (22.9% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mark Twain Elementary School this school53188.5%22.9%
Parkside Elementary
Des Moines
53580.2%24.7%
Cascade View Elementary
Tukwila
48180.7%19.4%
Mirror Lake Elementary School
FEDERAL WAY
49182.3%21.9%
Lake Dolloff Elementary School
AUBURN
54381.2%25.9%
Midway Elementary
Des Moines
54878.1%13.9%
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 Mark Twain Elementary School ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
22.9%#885 of 936#266 of 280
Math proficiency
ranked highest first
17.6%#1,063 of 1,103
▲ 17
#274 of 281
▲ 5
Reading proficiency
ranked highest first
29.2%#956 of 1,102
▲ 14
#246 of 280
▼ 2
3-year test score change
ranked biggest gain first
+6.9pp#183 of 928#44 of 274
Enrollment
ranked largest first
531#211 of 1,268#57 of 299
Students per teacher
ranked fewest first
16.1:1#619 of 1,085#152 of 280
Diversity index
ranked most diverse first
79.1%#41 of 1,088#23 of 281
Free and reduced lunch
ranked highest share first
88.5%#39 of 1,169#1 of 292
Enrollment change since 2017-18
ranked steepest decline first
-1.1%#760 of 778#215 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
531
+52 (+11%) vs 2020
+21% since 1990-91, when it was 440
Student : Teacher
16.1:1
was 15.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-255313316.1:189% (470)
2023-245373216.8:194% (507)
2022-2348930.116.2:192% (451)
2020-214793115.4:197% (466)
2017-1853731.217.2:186% (463)
2015-165823019.4:172% (420)
2010-115322918.3:158% (307)
2000-016643220.8:1N/A
1990-914401725.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Mark Twain Elementary School.

Since 2017-18: students down 1% (537 to 531); teachers up 6% (31.2 to 33).

About Mark Twain Elementary School

Mark Twain Elementary School is a medium-sized elementary school in FEDERAL WAY, Washington, under Federal Way School District. It serves 531 students in pre-K through 5. For comparison, elementary schools in Washington average about 380 students.

Federal Way School District counts 43 schools and 22,250 students, including Mark Twain Elementary School.

Federal enrollment data show Hispanic students as the largest group at Mark Twain Elementary School, at 30%. The rest of enrollment is 23% Asian, 20% Black, 12% multiracial, and 7% Pacific Islander. Among all residents of King County, the Hispanic share is about 11%. Mark Twain Elementary School's diversity index is 79%, against a US figure of 70%.

The ratio of students to teachers is 16.1:1, with 33 full-time-equivalent teachers on staff. That is 1.2 students per teacher below the 17.3:1 average for elementary schools in Washington. The percentage of students eligible for free or reduced-price lunch is 89%. Among public schools in King County, the average eligibility rate is 38%.

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

BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For Mark Twain Elementary School, the prediction is 20.8% and the result is 22.9%.

Federal survey data for King County show that the median household income is $124,746, about 57% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. King County is home to 544 public schools and about 278,492 public school students.

The closest other public school is Woodmont K-8 School, about 0.8 miles away. Mark Twain Elementary School has at least 8 other public schools within five miles. Ranking the closest schools with test data puts Mark Twain Elementary School at 7th of 9.

The school's locale code, Suburb: Large, 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 enrolled 531 students in 2024-25, 52 more than the 479 it had in 2020-21.

Discussion on this page can cover school events, clubs, and volunteer needs. Posting is open to anyone connected to the school.

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
Mark Twain Elementary School
District
Federal Way School District
Address
2450 S STAR LAKE RD, FEDERAL WAY, WA 98003
Phone
(253) 945-3100
County
King County
Level
Elementary
Grade range
PK–05
Total enrollment
531
Teachers (FTE)
33
Student–teacher ratio
16.1:1
Free and reduced lunch
470 (89%)
Locale
21-Suburb: Large
NCES ID
530282001835
Charter school
No
Virtual school
No

Related schools

Other schools in Federal Way School District
Other schools in FEDERAL WAY
Other Mark Twain Elementary schools

30 other US public schools in 13 states are named Mark Twain Elementary. Mark Twain Elementary School is the 7th largest of the 31.

Nearby schools

Frequently asked questions

About Mark Twain Elementary School
How large is Mark Twain Elementary School?
Mark Twain Elementary School enrolls approximately 531 students in grades PK-05.
What age range does Mark Twain Elementary School serve?
Mark Twain Elementary School serves students from grade PK through grade 05.
How many teachers does Mark Twain Elementary School have?
Mark Twain Elementary School employs 33 FTE teachers, for a student-to-teacher ratio of 16.1:1.
What is the racial breakdown of students at Mark Twain Elementary School?
At Mark Twain Elementary School, the student body is approximately 7% White, 30% Hispanic, 20% Black, 23% Asian, 12% Two or more.
Who oversees Mark Twain Elementary School?
Mark Twain Elementary School is overseen by Federal Way 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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