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SCHOOL COMMUNITY·HIGHLINE SCHOOL DISTRICT·NCES 530354003674

Glacier Middle School

2450 South 142nd Street, SeaTac, WA 98168 · (206) 631-5300 · King County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL803 STUDENTS
Enrollment
803
Middle
DISTRICT 656 · STATE 577
Student : Teacher
22.7:1
35 FTE teachers
DISTRICT 19.0:1 · STATE 18.9:1
Free / Reduced Lunch
75%
606 students
DISTRICT 65% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
264
Grade 7
257
Grade 8
282
Student demographics
White
506%
DISTRICT 17% · STATE 47%
Hispanic
47759%
DISTRICT 41% · STATE 27%
Black
618%
DISTRICT 14% · STATE 5%
Asian
12616%
DISTRICT 15% · STATE 9%
Two+
496%
DISTRICT 9% · STATE 9%
Native American
81%
DISTRICT 1% · STATE 1%
Pacific Islander
273%
DISTRICT 3% · STATE 2%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
41351%
Female
38548%

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
14.7%
WA avg 58.4% . -8.8pp since 2021
Math
10.0%
WA avg 51.2% . -2.9pp since 2021
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of WA schools after controlling for student poverty
Actual proficiency
14.6%
composite math + reading, all grades
Predicted
29.6%
based on WA schools with similar FRL share
Beats by
-15.0pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

About Glacier Middle School

Set in SeaTac, Washington, Glacier Middle School is a mid-tier 6-8 campus, overseen by Highline School District. It hosts 803 students across grades 6 through 8. By comparison, Washington's public schools average about 577 students each, so Glacier Middle School sits 39% larger than that benchmark.

Within Highline School District, which oversees 36 schools and 18,072 students, Glacier Middle School is one campus in the system.

For racial and ethnic makeup, Glacier Middle School records that 59% of the student body identifies as Hispanic; the rest is composed of 16% Asian, 8% Black, 6% White, 6% multiracial. The wider county runs roughly 11% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

Looking at school resources, On paper, Glacier Middle School has 35 full-time-equivalent teachers, translating to a class-load average of around 22.7:1. That figure is higher than the state norm's 18.9:1 average. About 75% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, King County runs at roughly 38%, so the school's eligibility rate is above the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Glacier Middle School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 29.6%; this one comes in at 14.6%, -15.0 points off the demographic line.

Around the school, community-level numbers for King County indicate median household earnings sit near $124,746, roughly 57% of adults have completed at least a four-year degree, and the poverty rate sits near 5%. Glacier Middle School is one of 544 public schools in King County (combined enrollment of about 278,492 students).

Cascade View Elementary is the nearest neighboring public school, about 0.4 miles from this campus. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Glacier Middle School ranks 9th on composite proficiency, beneath the local average of 25.7%.

The school occupies a residential site.

On the community side, recent activity here tends to focus on sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.

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
Glacier Middle School
District
Highline School District
Address
2450 South 142nd Street, SeaTac, WA 98168
Phone
(206) 631-5300
County
King County
Level
Middle
Grade range
06–08
Total enrollment
803
Teachers (FTE)
35
Student–teacher ratio
22.7:1
Free/Reduced lunch
606 (75%)
Locale
21-Suburb: Large
NCES ID
530354003674
Charter school
No
Virtual school
No

Related schools

Other schools in Highline School District
Other schools in SeaTac
Nearby schools

Frequently asked questions

About Glacier Middle School
How large is Glacier Middle School?
Glacier Middle School enrolls approximately 803 students in grades 06-08.
What grades does Glacier Middle School serve?
Glacier Middle School serves grades 06-08.
How many teachers does Glacier Middle School have?
Glacier Middle School employs 35 FTE teachers, for a student-to-teacher ratio of 22.7:1.
What is the racial breakdown of students at Glacier Middle School?
At Glacier Middle School, the student body is approximately 6% White, 59% Hispanic, 8% Black, 16% Asian, 6% Two or more.
Is Glacier Middle School public or private?
Glacier Middle School is a public K-12 school, overseen by Highline School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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