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Below Average

#1907 of 2,228 schools in WA

Mountlake Terrace High School

High School · Edmonds School District

21801 44TH AVE W, Mtlk Terrace, WA 98043

Enrollment

1,385

Student-Teacher

22.7:1

Score

4.5

Grades

9th – 12th

Data vintage2022-23

How this school compares

Washington schools

#1,907 of 2,228

In Mtlk Terrace

#4 of 4

public schools

In district

#33 of 36

Edmonds School District

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Mountlake Terrace High School

4.5/10

High School in Mtlk Terrace · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Cedar Way Elementary

5.1/10

0.3 mi away. Use as a geographic alternative in the same move search.

Brier Terrace Middle School

7.3/10

0.6 mi away. Use as a geographic alternative in the same move search.

About Mountlake Terrace High School

Mountlake Terrace High School is a public high school in Mtlk Terrace, WA, part of Edmonds School District. Mountlake Terrace High School serves approximately 1,385 students, and covers grades 9th-12th, and has a 22.7:1 student-teacher ratio. Mountlake Terrace High School has a current MySchoolScout rating of 4.5 out of 10 and ranks #1,907 of 2,228 schools in WA.

Structured state assessment records for Mountlake Terrace High School show 52% math proficiency (multi-year average, 2009-2024) and 76% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares1.0 pts below district
  • This school 4.5 · Below Average
  • District avg 5.5
  • WA avg 5.8

What Parents Should Know

Mountlake Terrace High School runs 22.7:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

39% of students at Mountlake Terrace High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.5Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-1.78 pts/yr
Data Period2009–2024
TrendDeclining
Academics4.5Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency26.4% (2024 SBA)
Reading/ELA Proficiency46.4% (2024 SBA)
Math vs. State Avg-5.1 pts
Reading vs. State Avg-14.8 pts
Overall Proficiency36% (2024 SBA, Math+ELA)
Expected (poverty-adj.)53% (model expectation from 2024 SBA)
vs. Expected-16.8 pts
Adjusted Percentile26th
College Readiness4.5Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation19.7%
IB ProgramNo
Resources & Environment3.1Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio22.7:1
Per-Pupil Spending$18,710
Chronic Absenteeism38.5%

Mountlake Terrace High School — Students at Mountlake Terrace High School score 36% proficient, which is below what's typical for similar communities (expected: 53%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

37.2%

Students qualifying for federal meal assistance

Test Scores WA SBA (2023-24)

Math Proficiency 51.8% (multi-year average, 2009-2024)
School
State
35.8% (2024 SBA)
ELA Proficiency 76.2% (multi-year average, 2009-2024)
School
State
55.9% (2024 SBA)

Based on 29 test records from WA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
41%
ELA
84%
2010
Math
61%
ELA
80%
2011
Math
77%
ELA
85%
2012
Math
81%
ELA
89%
2013
Math
78%
ELA
89%
2014
Math
34.5%
ELA
54.5%
2015
Math
44%
ELA
84%
2016
Math
52%
ELA
88%
2017
Math
50%
ELA
79%
2018
Math
51%
ELA
81%
2019
Math
51%
ELA
81%
2022
ELA
80%
2024
Math
26.4%
ELA
46.4%

Source: EdFacts (NCES) and state assessment data. Growth score: 5.5/10.

How Mountlake Terrace High School Compares

See how Mountlake Terrace High School performs across key quality dimensions compared to state benchmarks.

Overall Score
4.5/10
15th percentile in WA
Academic
4.5/10
Below Average
Growth
5.5/10
Average
Environment
3.1/10
Needs Improvement
AP Courses
4
State avg: 2.8
Sports
21
10 boys' · 11 girls'
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
37%
Teaching Staff
23:1 student-teacher ratio
61 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
38.5%

Programs & Offerings

AP/IB Programs4 AP courses offered
19.7% participation·State avg: 2.8 AP courses·CRDC 2021-22
Athletics21sports offered
10 boys'·11 girls'·32 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

21801 44TH AVE W, Mtlk Terrace, WA 98043

Nearby Alternatives

Families considering Mountlake Terrace High School may also want to explore other high schools in the area. Cascade K-8 Community School (rated 9.3/10, 2.0 miles away, in nearby Shoreline), which scores notably higher. Another option is Terrace Park Elementary (rated 8.9/10, 1.1 miles away), which scores notably higher. Additionally, Brier Elementary (rated 8.6/10, 0.9 miles away, in nearby Brier), which scores notably higher. For more schools in Mtlk Terrace, see our Mtlk Terrace schools guide .

Nearby Schools

20 within 1.9 mi
School Distance Rating
Cedar Way Elementary Mtlk Terrace 0.3 mi 5.1
Brier Terrace Middle School Brier 0.6 mi 7.3
Mountlake Terrace Elementary Mountlake Terrace 0.6 mi 6.2
Brier Elementary Brier 0.9 mi 8.6
Hazelwood Elementary Lynnwood 1.0 mi 6.7
Challenge Elementary Mtlk Terrace 1.1 mi 8.1
Terrace Park Elementary Mtlk Terrace 1.1 mi 8.9
BRIGHTON SCHOOL Mountlake Terrace 1.0 mi 8.1
REDEMPTION EVANGELICAL LUTHERAN Lynnwood 1.4 mi
Lynnwood Elementary Lynnwood 2.0 mi 5.5
CYPRESS ADVENTIST SCHOOL Lynnwood 1.4 mi 6.6
Home Education Exchange Shoreline 2.0 mi 8.5
Cascade K-8 Community School Shoreline 2.0 mi 9.3
Cedar Valley Community School Lynnwood 1.8 mi 4.0
Early Childhood Center Lynnwood 1.6 mi 4.1
LAKE FOREST PARK MONTESSORI Shoreline 2.2 mi
Lake Forest Park Elementary Lake Forest Park 2.7 mi 8.5
Spruce Elementary Lynnwood 2.7 mi 5.6
SOUNDVIEW SCHOOL Lynnwood 2.1 mi 7.6
Contracted Schools Lynnwood 1.9 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98043 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$101,408

Median Home Value

$605,800

Median Rent

$1,966/mo

Population

21,417

College Educated

41.8%

Homeownership

56.1%

Avg Commute

31 min

Poverty Rate

8%

Median Age

38.2

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Eastmont Senior High East Wenatchee, WA 4.5
Stanwood High School Stanwood, WA 4.5
Arlington High School Arlington, WA 4.6
Fort Vancouver High School Vancouver, WA 4.4
Franklin Pierce High School Tacoma, WA 4.6
R A Long High School Longview, WA 4.4

Frequently Asked Questions

Common questions about Mountlake Terrace High School

What grades does Mountlake Terrace High School serve?

Mountlake Terrace High School serves students in grades 9th through 12th.

How many students attend Mountlake Terrace High School?

Mountlake Terrace High School has an enrollment of approximately 1,385 students.

What is the student-teacher ratio at Mountlake Terrace High School?

The student-teacher ratio at Mountlake Terrace High School is 22.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mountlake Terrace High School rank in WA?

Mountlake Terrace High School ranks #1,907 of 2,228 schools in WA.

What is Mountlake Terrace High School's MySchoolScout rating?

Mountlake Terrace High School has a current MySchoolScout rating of 4.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mountlake Terrace High School?

Based on loaded state assessment records, Mountlake Terrace High School has 52% math proficiency (multi-year average, 2009-2024) and 76% reading/ELA proficiency (multi-year average, 2009-2024).

Is Mountlake Terrace High School a charter school?

No, Mountlake Terrace High School is not a charter school. It is a traditional public school operated by the local school district.

Is Mountlake Terrace High School a Title I school?

No, Mountlake Terrace High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mountlake Terrace High School?

37.2% of students at Mountlake Terrace High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
29 Car-Dependent
Bike Score
41 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,385
Student-Teacher Ratio
22.7:1
Teachers (FTE)
61
Free/Reduced Lunch
37.2%
Type
regular
Setting
Large Suburb
County
Snohomish County
Chronic Absenteeism (SY 2022-23)
38.5%

District

Edmonds School District
District Enrollment
20,755
Schools in District
38
Per-Pupil Spending
$18,710
District Rank
#33 of 36

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