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WA Nonsectarian Elementary School

THREE TREE MONTESSORI SCHOOL

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220 SW 160TH ST, BURIEN, WA 98166 • KING County
(206) 242-5100

Identity & Institutional Profile

PSS 2023-2024
NCES Private School ID A0508344
Religious Orientation Nonsectarian
Broad Affiliation Nonsectarian
School Typology Nonsectarian, special program
Grades Offered PK-6
Locale Setting Suburb: Large
School Day Length 7.00 hrs/day
County FIPS 53033
Physical Location Address 220 SW 160th St
Burien, WA 98166-3026

Enrollment & Academic Overview

PSS 2023–2024
Total Students
73
Teachers (FTE)
7.00
Student-Teacher Ratio
10.43:1
School Level
Elementary School

Student Diversity Distribution

Demographic composition of enrolled students across racial & ethnic backgrounds.

PSS 2023–2024
White: 57.5% Two or More Races (Multiracial): 20.6% Asian: 9.6% Black or African American: 6.9% Hispanic / Latino: 5.5%
73 Students
White 42 est. 57.5%
Two or More Races (Multiracial) 15 est. 20.6%
Asian 7 est. 9.6%
Black or African American 5 est. 6.9%
Hispanic / Latino 4 est. 5.5%

Student Enrollment by Sex

Enrolled student gender breakdown as reported in NCES PSS survey.

PSS 2023-2024
♂
Male Students
27
37%
♀
Female Students
46
63%

Grade-Level Enrollment Distribution

Distribution of student body across reported grade cohorts.

Total: 177 Students
Pre-Kindergarten: 104 (58.8%) Kindergarten: 26 (14.7%) 1st Grade: 7 (4%) 2nd Grade: 11 (6.2%) 3rd Grade: 12 (6.8%) 4th Grade: 6 (3.4%) 5th Grade: 5 (2.8%) 6th Grade: 6 (3.4%)
177 Students
Pre-Kindergarten 104 58.8%
Kindergarten 26 14.7%
1st Grade 7 4%
2nd Grade 11 6.2%
3rd Grade 12 6.8%
4th Grade 6 3.4%
5th Grade 5 2.8%
6th Grade 6 3.4%

Biennial Enrollment & Staffing Trends

NCES PSS Multi-Cycle

Biennial Enrollment Trends (2019-2020 – 2023-2024)

0 75 150 2019-2020: 92 students 92 2019-2020 2021-2022: 68 students 68 -26.1% 2021-2022 2023-2024: 73 students 73 +7.4% 2023-2024
Survey Cycle Students Teachers (FTE) Student-Teacher Ratio Grades Offered Affiliation / Typology
2023-2024 73 7.0 10.4:1 PK-6 Nonsectarian
2021-2022 68 7.0 9.7:1 PK-6 Nonsectarian
2019-2020 92 11.4 8.1:1 PK Nonsectarian

Local Area Demographics & Housing Comparison (ZIP 98166)

Comparative socio-economic indicators across local, municipal, county, state, and national benchmarks.

Census ACS 5-Year Data
Median Household Income Median Home Value Poverty Rate (%)
Peak Value: $1,000,000
$0k 0% $250k 5% $500k 10% $750k 15% $1,000k 20% ZIP 98166 Income: $112,191 $112k ZIP 98166 Home Value: $785,700 $786k ZIP 98166 This ZIP Burien Income: $98,146 $98k Burien Home Value: $626,250 $626k Burien City Average KING County Income: $130,410 $130k KING County Home Value: $867,661 $868k KING County County Average Washington Income: $88,876 $89k Washington Home Value: $482,474 $482k Washington State Average United States Income: $76,308 $76k United States Home Value: $277,906 $278k United States U.S. National ZIP 98166 Poverty Rate: 8.7% 8.7% Burien Poverty Rate: 11.3% 11.3% KING County Poverty Rate: 8.2% 8.2% Washington Poverty Rate: 9.7% 9.7% United States Poverty Rate: 12.4% 12.4%
Geographic Area Median
Household Income		 Median
Home Value		 Poverty
Rate		 Total
Population
ZIP 98166 Current ZIP
$112,191 $785,700 8.7% 22,001
Burien (City Average)
$98,146 $626,250 11.3% 95,396
KING County (County Average)
$130,410 $867,661 8.2% 2,250,483
Washington (State Average)
$88,876 $482,474 9.7% 7,607,446
United States (U.S. National)
$76,308 $277,906 12.4% 335,555,510

Location Map

47.4602, -122.3368 Google Maps ›

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