1
What advice would you give to incoming students at Skyline High School?
Community prompt from u/allk12. Replies below.
Enrollment
2,244
High
DISTRICT 1,292 · STATE 573
SCHOOL COMMUNITY·ISSAQUAH SCHOOL DISTRICT·NCES 530375002567
Skyline High School
1122 228TH AVE SE, SAMMAMISH, WA 98075 · (425) 837-7700 · King County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL2,244 STUDENTS
A
allk12 Grade
Scored higher than 92% of Washington public high schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- B+Three-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 high schools
Student : Teacher
23.7:1
95 FTE teachers
DISTRICT 18.5:1 · STATE 21.6:1
Free / Reduced Lunch
9%
199 students
DISTRICT 18% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 563 | 25% |
| Grade 10 | 558 | 25% |
| Grade 11 | 537 | 24% |
| Grade 12 | 586 | 26% |
Student demographics
66%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
85.0%
WA avg 58.4% . +79.7pp since 2014
Math
72.4%
WA avg 51.2% . +68.7pp since 2014
What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 85 of every 100 students at this school read and write at grade level and about 72 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 80 points since 2014, while math scores are up about 69 points.
Smarter Balanced + WCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 85.0% | 72.4% |
| 2023-24 | 86.5% | 69.3% |
| 2022-23 | 84.4% | 66.8% |
| 2021-22 | 86.0% | 68.3% |
| 2018-19 | 90.0% | 75.8% |
| 2017-18 | 91.7% | 80.7% |
| 2015-16 | 9.4% | N/A |
| 2014-15 | 5.3% | 3.7% |
% 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
74.2%
composite math + reading, all grades
Predicted
74.3%
based on WA schools with similar FRL share
Beats by
-0.1pp
below demographic expectation
What this means: About 74% of students here test proficient in math and reading, compared with the roughly 74% 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 Skyline High School
Skyline High School's state test result (74.2% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Skyline High School this school | 2,244 | 8.9% | 74.2% |
| Eastlake High School Sammamish | 2,481 | 5.7% | 57.4% |
| Redmond High School Redmond | 2,304 | 14.6% | 59.1% |
| Bellevue High School Bellevue | 1,683 | 18.6% | 64.1% |
| North Creek High School Bothell | 1,910 | 20.1% | 65.3% |
| Issaquah High School ISSAQUAH | 2,419 | 16.5% | 54.1% |
Matched among Washington high 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 Skyline High School ranks
Among high schools| Measure | This school | In Washington | In King County |
|---|---|---|---|
| State test proficiency ranked highest first | 74.2% | #5 of 271 | #4 of 59 |
| Math proficiency ranked highest first | 72.4% | #4 of 321 ▲ 2 | #3 of 59 ▲ 2 |
| Reading proficiency ranked highest first | 85.0% | #11 of 327 ▼ 2 | #7 of 61 ▼ 2 |
| 3-year test score change ranked biggest gain first | +1.5pp | #95 of 259 | #18 of 57 |
| Enrollment ranked largest first | 2,244 | #11 of 570 | #5 of 97 |
| Students per teacher ranked fewest first | 23.7:1 | #276 of 311 | #58 of 67 |
| Diversity index ranked most diverse first | 65.8% | #99 of 316 | #47 of 67 |
| Free and reduced lunch ranked highest share first | 8.9% | #379 of 386 | #70 of 76 |
| Enrollment change since 2017-18 ranked fastest growth first | +2.3% | #117 of 136 | #25 of 31 |
Ranked against other public high 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
2,244
+42 (+2%) vs 2020
+50% since 2000-01, when it was 1,497
Student : Teacher
23.7:1
was 22.0:1
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 | 2,244 | 94.7 | 23.7:1 | 9% (199) |
| 2023-24 | 2,193 | 95.4 | 23.0:1 | 8% (181) |
| 2022-23 | 2,170 | 95.2 | 22.8:1 | 7% (161) |
| 2020-21 | 2,202 | 100 | 22.0:1 | 4% (85) |
| 2017-18 | 2,194 | 87.8 | 25.0:1 | 4% (90) |
| 2015-16 | 2,175 | 86 | 25.3:1 | 4% (92) |
| 2010-11 | 1,891 | 78 | 24.2:1 | 3% (57) |
| 2000-01 | 1,497 | 59 | 25.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Skyline High School.
Since 2017-18: students up 2% (2,194 to 2,244); teachers up 8% (87.8 to 94.7).
About Skyline High School
At 1122 228TH AVE SE in SAMMAMISH, Washington, Skyline High School operates as a large high school. The school offers grades 9 through 12 and enrolls 2,244 students. That puts enrollment 292% above the 573-student average for high schools in Washington.
The Issaquah School District system has 30 schools and 19,098 students.
No group is above 50% at Skyline High School; the largest is Asian, at 44%. The school is also 37% White, 9% multiracial, 8% Hispanic, and 2% Black. The Asian share of the county population is lower, at 21%. On the diversity index, which measures the chance that two random students are from different groups, Skyline High School scores 66%.
With 94.7 full-time-equivalent teachers, the student-to-teacher ratio is about 23.7:1. High schools in Washington average 21.6:1, 2.1 fewer students per teacher than here. Roughly 9% of students come from households that qualify for free or reduced-price lunch. That is lower than the 38% average for public schools in King County.
Among Washington public high schools, Skyline High School outscored 92%, which works out to an A on the allk12 Grade.
BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Skyline High School, the prediction is 74.3% and the result is 74.2%.
In the surrounding 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.
Discovery Elementary is the nearest public school to Skyline High School, about 0.8 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. Of 8 schools in the immediate area with test results, Skyline High School ranks 7th on average proficiency.
The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
There was little change in enrollment from 2020-21 (2,202) to 2024-25 (2,244). From 2020-21 to 2024-25, the ratio increased from 22.0:1 to 23.7:1.
Use the discussion section to ask about open houses, carpools, and field trips at Skyline High School. Current and former families are welcome to add their experience.
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 Issaquah School District
- Issaquah High SchoolHigh · 2,419 students
- Liberty Sr High SchoolHigh · 1,495 students
- Pine Lake Middle SchoolMiddle · 877 students
- Maywood Middle SchoolMiddle · 826 students
- Issaquah Middle SchoolMiddle · 808 students
- Beaver Lake Middle SchoolMiddle · 699 students
Other schools in SAMMAMISH
- Eastlake High SchoolHigh · 2,481 students
- Inglewood Middle SchoolMiddle · 1,229 students
- Pine Lake Middle SchoolMiddle · 877 students
- Margaret Mead ElementaryElementary · 580 students
- Sunny Hills ElementaryElementary · 574 students
- Creekside ElementaryElementary · 555 students
Other Skyline High schools
11 other US public schools in 12 states are named Skyline High. Skyline High School is the 2nd largest of the 12.
- Skyline High SchoolDALLAS, TX · 3,837 students
- Skyline HighSALT LAKE CITY, UT · 2,186 students
- Skyline High SchoolMESA, AZ · 1,995 students
- Skyline HighOakland, CA · 1,250 students
- Skyline High SchoolANN ARBOR, MI · 1,237 students
Nearby schools
- Discovery Elementary0.8 mi · 508
- Eastlake High School0.9 mi · 2,481
- Renaissance School of Art and Reasoning0.9 mi · 80
- Pine Lake Middle School1.4 mi · 877
- Sunny Hills Elementary1.4 mi · 574
- Inglewood Middle School1.4 mi · 1,229
Frequently asked questions
About Skyline High SchoolHow large is Skyline High School?
Skyline High School enrolls approximately 2,244 students in grades 09-12.
What grades does Skyline High School serve?
Skyline High School serves grades 09-12.
How many teachers does Skyline High School have?
Skyline High School employs 95 FTE teachers, for a student-to-teacher ratio of 23.7:1.
What is the student diversity at Skyline High School?
Student demographics at Skyline High School are roughly 37% White, 8% Hispanic, 2% Black, 44% Asian, 9% Two or more.
Is Skyline High School public or private?
Skyline High School is a public K-12 school, overseen by Issaquah School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.