Needs Improvement
#2143 of 2,225 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
3.6
Grades
9th – 12th
Enrollment
1,385
Student-Teacher
22.7:1
Score
3.6
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Mtlk Terrace
#4 of 4
public schools
Washington high schools
#455 of 476
In district
#34 of 36
Edmonds School District
About Mountlake Terrace High School
Mountlake Terrace High School serves 1,385 students in grades 9-12 in Mountlake Terrace, Washington, with a student-teacher ratio of 22.7:1 and 61 full-time equivalent teachers. This regular public school has earned strong recognition, ranking #315 out of 2,261 schools statewide, placing it in the 86th percentile among Washington high schools. The school demonstrates solid academic performance with a MySchoolScout rating of 7.3 out of 10 and an impressive academic score of 9.4 out of 10.
Students show particularly strong literacy skills, with 80% achieving proficient or above levels in ELA/Reading across grade levels. This academic success reflects both the school's educational programs and the supportive community environment. Located in Snohomish County, Mountlake Terrace High School draws from a stable suburban community where the median household income reaches $96,085 and the poverty rate remains relatively low at 7.3%.
The surrounding ZIP code 98043 is home to 21,347 residents, with 41% holding bachelor's degrees or higher, indicating strong community support for education. Median home values of $560,400 reflect the area's desirability and stability. The school operates within a large suburban setting that provides students with access to both educational opportunities and community resources while maintaining a manageable school size that allows for meaningful student-teacher relationships.
What Parents Should Know
The student-teacher ratio at Mountlake Terrace High School is 22.7:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Mountlake Terrace High School — Students at Mountlake Terrace High School score 36% proficient, which is below what's typical for similar communities (expected: 53%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
37.2%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 9 test records from WA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.9/10.
How Mountlake Terrace High School Compares
See how Mountlake Terrace High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 51% (2019) to 26.4% (2024). Reading/ELA proficiency has declined from 81% (2019) to 46.4% (2024).
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. Terrace Park Elementary (rated 9.2/10, 1.1 miles away), which scores notably higher. Another option is Cascade K-8 Community School (rated 9.2/10, 2.0 miles away, in nearby Shoreline), which scores notably higher. Additionally, Spruce Elementary (rated 8.2/10, 2.7 miles away, in nearby Lynnwood), 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 | 5.7 |
| Brier Terrace Middle School Brier | 0.6 mi | 6.8 |
| Mountlake Terrace Elementary Mountlake Terrace | 0.6 mi | 5.2 |
| Brier Elementary Brier | 0.9 mi | 7.6 |
| Hazelwood Elementary Lynnwood | 1.0 mi | 5.3 |
| Challenge Elementary Mtlk Terrace | 1.1 mi | 7.6 |
| Terrace Park Elementary Mtlk Terrace | 1.1 mi | 9.2 |
| BRIGHTON SCHOOL Mountlake Terrace | 1.0 mi | 8.1 |
| REDEMPTION EVANGELICAL LUTHERAN Lynnwood | 1.4 mi | — |
| Lynnwood Elementary Lynnwood | 2.0 mi | 4.4 |
| CYPRESS ADVENTIST SCHOOL Lynnwood | 1.4 mi | 6.6 |
| Home Education Exchange Shoreline | 2.0 mi | 7.6 |
| Cascade K-8 Community School Shoreline | 2.0 mi | 9.2 |
| Cedar Valley Community School Lynnwood | 1.8 mi | 5.8 |
| Early Childhood Center Lynnwood | 1.6 mi | 3.9 |
| LAKE FOREST PARK MONTESSORI Shoreline | 2.2 mi | — |
| Lake Forest Park Elementary Lake Forest Park | 2.7 mi | 6.9 |
| Spruce Elementary Lynnwood | 2.7 mi | 8.2 |
| 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
Community Profile
The community surrounding Mountlake Terrace High School has a median household income of $101,408. It is a well-educated community where 42% of adults hold a bachelor's degree or higher. The median home value in the area is $605,800, with a median rent of $1,966/month. The local poverty rate of 8.0% is relatively low. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Prosser High School Prosser, WA | 3.6 |
| Bremerton High School Bremerton, WA | 3.5 |
| Highline High School Burien, WA | 3.7 |
| Lindbergh Senior High School Renton, WA | 3.5 |
| Orting High School Orting, WA | 3.7 |
| Shadle Park High School Spokane, WA | 3.5 |
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 is ranked #2143 out of 2,225 schools in WA.
What is Mountlake Terrace High School's MySchoolScout rating?
Mountlake Terrace High School has a composite rating of 3.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mountlake Terrace High School?
Based on the most recent state assessment data, Mountlake Terrace High School has 34.6% math proficiency and 63.5% reading/ELA proficiency.
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.
Neighborhood Context
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
- Phone
- (425) 431-7776
- Data Year
- 2023–2024
Resources & Links
District
Edmonds School District- District Enrollment
- 20,755
- Schools in District
- 38
- Per-Pupil Spending
- $18,710
- District Rank
- #34 of 36
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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