Enrollment
258
Elementary
DISTRICT 478 · STATE 380
SCHOOL COMMUNITY·NORTHSHORE SCHOOL DISTRICT·NCES 530591000880
Cottage Lake Elementary
15940 Avondale RD NE, Woodinville, WA 98077 · (425) 408-4200 · King County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL258 STUDENTS
B
allk12 Grade
Scored higher than 58% of Washington public elementary schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- CThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Washington public elementary schools
Student : Teacher
16.1:1
16 FTE teachers
DISTRICT 16.9:1 · STATE 17.3:1
Free / Reduced Lunch
14%
37 students
DISTRICT 21% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 42 | 16% |
| Grade 1 | 47 | 18% |
| Grade 2 | 39 | 15% |
| Grade 3 | 45 | 17% |
| Grade 4 | 48 | 19% |
| Grade 5 | 37 | 14% |
This year's kindergarten class (42) is 14% larger than its 5th grade class (37).
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 68% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
Smarter Balanced + WCAS 2024-25 . % Met or Exceeded StandardEnglish Language Arts
71.5%
WA avg 58.4% . +5.0pp since 2014
Math
58.9%
WA avg 51.2% . -10.7pp since 2014
What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 72 of every 100 students at this school read and write at grade level and about 59 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are up about 5 points since 2014, while math scores are down about 11 points.
Smarter Balanced + WCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 71.5% | 58.9% |
| 2023-24 | 74.4% | 66.4% |
| 2022-23 | 71.3% | 63.6% |
| 2021-22 | 71.4% | 65.7% |
| 2018-19 | 76.7% | 72.4% |
| 2017-18 | 82.7% | 79.0% |
| 2016-17 | 71.4% | 72.5% |
| 2015-16 | 68.3% | 73.2% |
| 2014-15 | 66.5% | 69.5% |
% Met or Exceeded Standard, all students and all tested grades.
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
68.6%
composite math + reading, all grades
Predicted
70.6%
based on WA schools with similar FRL share
Beats by
-2.0pp
below demographic expectation
What this means: About 69% of students here test proficient in math and reading, compared with the roughly 71% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Cottage Lake Elementary
Cottage Lake Elementary's state test result (68.6% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cottage Lake Elementary this school | 258 | 14.3% | 68.6% |
| Lawton Elementary School SEATTLE | 309 | 13.6% | 74.7% |
| Alki Elementary School SEATTLE | 269 | 14.1% | 74.2% |
| Ordway Elementary Bainbridge Island | 320 | 17.2% | 73.8% |
| Edmonds Elementary EDMONDS | 310 | 15.2% | 66.7% |
| Magnolia Elementary School Seattle | 320 | 12.8% | 71.1% |
Matched among Washington elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Cottage Lake Elementary ranks
Among elementary schools| Measure | This school | In Washington | In King County |
|---|---|---|---|
| State test proficiency ranked highest first | 68.6% | #155 of 936 | #100 of 280 |
| Math proficiency ranked highest first | 58.9% | #274 of 1,103 ▼ 109 | #132 of 281 ▼ 32 |
| Reading proficiency ranked highest first | 71.5% | #135 of 1,102 ▼ 28 | #88 of 280 ▼ 10 |
| 3-year test score change ranked biggest drop first | -3.4pp | #204 of 928 | #60 of 274 |
| Enrollment ranked largest first | 258 | #1,039 of 1,268 | #272 of 299 |
| Students per teacher ranked fewest first | 16.1:1 | #631 of 1,085 | #156 of 280 |
| Diversity index ranked most diverse first | 42.6% | #879 of 1,088 | #277 of 281 |
| Free and reduced lunch ranked highest share first | 14.3% | #1,086 of 1,169 | #226 of 292 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.4% | #341 of 778 | #110 of 220 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
258
-29 (-10%) vs 2020
-54% since 1990-91, when it was 567
Student : Teacher
16.1:1
was 12.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 258 | 16 | 16.1:1 | 14% (37) |
| 2023-24 | 267 | 20.9 | 12.8:1 | 11% (30) |
| 2022-23 | 279 | 21.3 | 13.1:1 | 14% (38) |
| 2020-21 | 287 | 23 | 12.5:1 | 6% (17) |
| 2017-18 | 316 | 21.9 | 14.5:1 | 11% (34) |
| 2015-16 | 373 | 19 | 19.6:1 | 12% (44) |
| 2010-11 | 328 | 18 | 18.2:1 | 14% (45) |
| 2000-01 | 415 | 21 | 19.8:1 | N/A |
| 1990-91 | 567 | 30 | 18.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cottage Lake Elementary.
Since 2017-18: students down 18% (316 to 258); teachers down 27% (21.9 to 16).
About Cottage Lake Elementary
Cottage Lake Elementary is a public small elementary school in Woodinville, Washington. Students in pre-K through 5 make up the school's enrollment of 258 students. That compares with an average of about 380 students for elementary schools in Washington.
Across its 37 schools, Northshore School District enrolls 22,735 students. Cottage Lake Elementary is one of those schools.
Federal enrollment data show Cottage Lake Elementary is 74% White. Enrollment also includes 9% Hispanic, 8% Asian, and 8% multiracial. The school's White share is 20 points above the 55% share among King County residents. A diversity index of 43% means there is a 43% chance two randomly chosen students at Cottage Lake Elementary are from different groups.
Its ratio of 16.1:1 is based on 16 full-time-equivalent teachers. Elementary schools in Washington average 17.3:1, 1.2 more students per teacher than here. The share of students eligible for free or reduced-price lunch is 14%. The rate at public schools in King County averages 38%, higher than here.
Cottage Lake Elementary holds a B allk12 Grade, placing it above 58% of Washington public elementary schools.
Cottage Lake Elementary is 2.0 points below its predicted average proficiency rate across its state test results (68.6% versus 70.6%), which places it in neither the top nor the bottom 10% in Washington.
Looking at the county, King County, median household income comes to about $124,746, a bachelor's degree or higher is held by about 57% of adults, and the poverty rate is about 5%. The county has 544 public schools and about 278,492 students.
Straight-line distance to the nearest public school, Northshore Learning Options, is about 1.0 miles. Other public schools within five miles: at least 8. The average proficiency across nearby scored schools is 78.0%; Cottage Lake Elementary's is 68.6%, ranking 7th of 8.
The federal government classifies Cottage Lake Elementary's location as Suburb: Large.
Enrollment in 2024-25 stood at 258, compared with 287 in 2020-21. In 2020-21, the student-to-teacher ratio was 12.5:1; by 2024-25 it was 16.1:1.
The discussion board for Cottage Lake Elementary is open to topics like athletics, class schedules, and weather closures. Parents, students, alumni, and staff are welcome to post.
King County at a glance
View full county profilePopulation
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
Related schools
Other schools in Northshore School District
- North Creek High SchoolHigh · 1,910 students
- Bothell High SchoolHigh · 1,740 students
- Woodinville HSHigh · 1,662 students
- Inglemoor HSHigh · 1,441 students
- Skyview Middle SchoolMiddle · 1,215 students
- Canyon Park Middle SchoolMiddle · 907 students
Other schools in Woodinville
- Woodinville HSHigh · 1,662 students
- Leota Middle SchoolMiddle · 858 students
- Timbercrest Middle SchoolMiddle · 665 students
- Kokanee ElementaryElementary · 651 students
- Ruby Bridges ElementaryElementary · 503 students
- Northshore Learning OptionsCombined · 428 students
Nearby schools
- Northshore Learning Options1.0 mi · 428
- East Ridge Elementary1.7 mi · 427
- Sunrise Elementary1.8 mi · 322
- Timbercrest Middle School1.9 mi · 665
- Leota Middle School2.3 mi · 858
- Wellington Elementary2.5 mi · 380
Frequently asked questions
About Cottage Lake ElementaryHow many students attend Cottage Lake Elementary?
Cottage Lake Elementary enrolls approximately 258 students in grades PK-05.
What grades does Cottage Lake Elementary serve?
Cottage Lake Elementary serves grades PK-05.
What is the student-teacher ratio at Cottage Lake Elementary?
The student-to-teacher ratio at Cottage Lake Elementary is approximately 16.1:1 (16 FTE teachers).
How diverse is Cottage Lake Elementary?
Cottage Lake Elementary reports a student body of 74% White, 9% Hispanic, 0% Black, 8% Asian, 8% Two or more.
Is Cottage Lake Elementary public or private?
Cottage Lake Elementary is a public K-12 school, overseen by Northshore School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.