WA
Nonsectarian
Elementary School
CORNERSTONE MONTESSORI SCHOOL
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(253) 987-7239
Identity & Institutional Profile
PSS 2023-2024
NCES Private School ID
A1171837
Religious Orientation
Nonsectarian
Broad Affiliation
Nonsectarian
School Typology
Nonsectarian, special program
Grades Offered
PK-6
Locale Setting
Suburb: Large
School Day Length
6.00 hrs/day
County FIPS
53053
Physical Location Address
1644 Gault St
Sumner, WA 98390-1238
Sumner, WA 98390-1238
Enrollment & Academic Overview
PSS 2023–2024Total Students
41
Teachers (FTE)
6.90
Student-Teacher Ratio
5.94:1
School Level
Elementary School
Student Diversity Distribution
Demographic composition of enrolled students across racial & ethnic backgrounds.
41
Students
| Two or More Races (Multiracial) | 18 est. | 43.9% | |
| White | 16 est. | 39.0% | |
| Asian | 3 est. | 7.3% | |
| American Indian / Alaska Native | 2 est. | 4.9% | |
| Hispanic / Latino | 1 est. | 2.4% | |
| Native Hawaiian / Pacific Islander | 1 est. | 2.4% |
Student Enrollment by Sex
Enrolled student gender breakdown as reported in NCES PSS survey.
♂
63.4%
Male Students
26
♀
36.6%
Female Students
15
Grade-Level Enrollment Distribution
Distribution of student body across reported grade cohorts.
130
Students
| Pre-Kindergarten | 89 | 68.5% | |
| Kindergarten | 9 | 6.9% | |
| 1st Grade | 7 | 5.4% | |
| 2nd Grade | 11 | 8.5% | |
| 3rd Grade | 5 | 3.8% | |
| 4th Grade | 4 | 3.1% | |
| 5th Grade | 4 | 3.1% | |
| 6th Grade | 1 | 0.8% |
Biennial Enrollment & Staffing Trends
NCES PSS Multi-CycleBiennial Enrollment Trends (2019-2020 – 2023-2024)
| Survey Cycle | Students | Teachers (FTE) | Student-Teacher Ratio | Grades Offered | Affiliation / Typology |
|---|---|---|---|---|---|
| 2023-2024 | 41 | 6.9 | 5.9:1 | PK-6 | Nonsectarian |
| 2021-2022 | 38 | 5.0 | 7.6:1 | PK-6 | Nonsectarian |
| 2019-2020 | 14 | 1.0 | 14.0:1 | PK-3 | Nonsectarian |
Median Household Income
Median Home Value
Poverty Rate (%)
Peak Value: $600,000
| Geographic Area | Median Household Income |
Median Home Value |
Poverty Rate |
Total Population |
|---|---|---|---|---|
|
ZIP 98390
Current ZIP
|
$97,815 | $471,500 | 6.9% | 11,497 |
|
Sumner
(City Average)
|
$97,815 | $471,500 | 6.9% | 11,497 |
|
PIERCE County
(County Average)
|
$94,832 | $499,257 | 8.6% | 957,754 |
|
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
47.193, -122.2332
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