Enrollment
219
High
DISTRICT 176 · STATE 573
SCHOOL COMMUNITY·CONCRETE SCHOOL DISTRICT·NCES 530166000286
Concrete High School
7830 S. Superior Avenue, Concrete, WA 98237 · (360) 853-4015 · Skagit County
GRADES 07–12HIGH42-RURALTITLE IREGULAR SCHOOL219 STUDENTS
Student : Teacher
13.4:1
16 FTE teachers
DISTRICT 16.1:1 · STATE 21.6:1
Free / Reduced Lunch
80%
176 students
DISTRICT 74% · STATE 51%
Community
0
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 7 | 42 | 19% |
| Grade 8 | 36 | 16% |
| Grade 9 | 34 | 16% |
| Grade 10 | 45 | 21% |
| Grade 11 | 28 | 13% |
| Grade 12 | 34 | 16% |
Student demographics
41%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · 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
39.8%
WA avg 58.4% . +0.7pp since 2014
Math
16.7%
WA avg 51.2% . -4.0pp since 2014
What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 40 of every 100 students at this school read and write at grade level and about 17 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores have held steady since 2014, while math scores are down about 4 points.
Smarter Balanced + WCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 39.8% | 16.7% |
| 2023-24 | 35.9% | 12.5% |
| 2022-23 | 33.0% | 13.0% |
| 2021-22 | 49.1% | 17.8% |
| 2018-19 | 46.8% | 18.4% |
| 2017-18 | 37.4% | 18.5% |
| 2016-17 | 31.5% | 15.9% |
| 2015-16 | 33.3% | 27.2% |
| 2014-15 | 39.1% | 20.7% |
% 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
28.1%
composite math + reading, all grades
Predicted
26.3%
based on WA schools with similar FRL share
Beats by
+1.9pp
above demographic expectation
What this means: About 28% of students here test proficient in math and reading, compared with the roughly 26% 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 Concrete High School
Concrete High School's state test result (28.1% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Concrete High School this school | 219 | 80.4% | 28.1% |
| Harbor Junior/Senior High School Aberdeen | 128 | 82.0% | 23.6% |
| Mary Walker High School SPRINGDALE | 151 | 68.9% | 28.3% |
| Northport High School Northport | 58 | 82.8% | 64.4% |
| Soap Lake Middle & High School SOAP LAKE | 263 | 82.5% | 15.3% |
| Oroville Middle-High School Oroville | 243 | 70.0% | 40.1% |
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 Concrete High School ranks
Among high schools| Measure | This school | In Washington | In Skagit County |
|---|---|---|---|
| State test proficiency ranked highest first | 28.1% | #235 of 271 | #5 of 6 |
| Math proficiency ranked highest first | 16.7% | #249 of 321 ▲ 31 | #5 of 6 no change |
| Reading proficiency ranked highest first | 39.8% | #277 of 327 ▲ 23 | #6 of 6 no change |
| 3-year test score change ranked biggest drop first | -5.2pp | #60 of 259 | #2 of 6 |
| Enrollment ranked largest first | 219 | #307 of 570 | #5 of 15 |
| Students per teacher ranked fewest first | 13.4:1 | #8 of 311 | N/A |
| Diversity index ranked most diverse first | 41.4% | #242 of 316 | N/A |
| Free and reduced lunch ranked highest share first | 80.4% | #29 of 386 | #1 of 7 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.6% | #88 of 164 | N/A |
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
219
+16 (+8%) vs 2020
-29% since 1990-91, when it was 308
Student : Teacher
13.4:1
was 15.6:1
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 | 219 | 16.3 | 13.4:1 | 80% (176) |
| 2023-24 | 203 | 14.4 | 14.1:1 | 86% (174) |
| 2022-23 | 193 | 16.4 | 11.8:1 | 43% (83) |
| 2020-21 | 203 | 13 | 15.6:1 | 75% (152) |
| 2017-18 | 237 | 13.1 | 18.1:1 | 61% (145) |
| 2015-16 | 264 | 13 | 20.3:1 | 59% (155) |
| 2010-11 | 179 | 10 | 17.9:1 | 42% (76) |
| 2000-01 | 249 | 12 | 20.8:1 | N/A |
| 1990-91 | 308 | 16 | 19.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Concrete High School.
Since 2017-18: students down 8% (237 to 219); teachers up 24% (13.1 to 16.3).
About Concrete High School
A small high school in Concrete, Washington, Concrete High School is part of Concrete School District. The school's enrollment of 219 students covers grades 7 through 12. Enrollment is 62% lower than the average for high schools in Washington, which is about 573.
Concrete School District includes 3 schools. Together they enroll 528 students.
White students are the majority at Concrete High School, with 74% of enrollment. It is also 17% Hispanic, 5% multiracial, and 3% Native American. That is close to the 75% White share among all Skagit County residents. Pick two students at random and there is a 41% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Staffing totals 16.3 full-time-equivalent teachers, and the student-to-teacher ratio is 13.4:1. That is lower than the 21.6:1 average for high schools in Washington. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 80%. Among public schools in Skagit County, the average eligibility rate is 56%.
On the allk12 BeatsExpectations measure, Concrete High School is 1.9 points above the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 28.1% actual, 26.3% predicted. That is outside both the top and bottom 10% in Washington.
County data help place the school in context: in Skagit County, the median household income is $89,263, about 30% of adults have at least a bachelor's degree, and roughly 7% of residents are in poverty. In all, Skagit County has 54 public schools and roughly 18,298 students.
Special Services School is the public school closest to Concrete High School, less than a tenth of a mile away. There are 2 other public schools within five miles. Local comparison: Concrete High School ranks 7th of 7 nearby schools, at 28.1% versus a 36.8% average.
Concrete High School has an NCES locale of Rural: Distant.
Federal data show an 8% enrollment rise, from 203 in 2020-21 to 219 in 2024-25. Students per teacher fell from 15.6 in 2020-21 to 13.4 in 2024-25.
The Concrete High School community page is open for posts about sports tryouts, band and choir, and theater. Posting is open to anyone connected to the school.
Skagit County at a glance
View full county profilePopulation
131,328
Census ACS
Median income
$89,263
Household, ACS
Bachelor's+
30%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
54
18,298 students
Quick facts
Related schools
Other schools in Concrete School District
- Concrete ElementaryElementary · 308 students
- Special Services SchoolElementary · 1 students
- Twin Cedars High SchoolHigh
Other schools in Concrete
- Concrete ElementaryElementary · 308 students
- Special Services SchoolElementary · 1 students
- Twin Cedars High SchoolHigh
Nearby schools
- Special Services School0.1 mi · 1
- Concrete Elementary0.2 mi · 308
- Lyman Elementary School14.2 mi · 185
- Darrington High School21.0 mi · 113
- Darrington Elementary School21.0 mi · 351
- Evergreen Elementary School21.1 mi · 511
Frequently asked questions
About Concrete High SchoolWhat is the total enrollment at Concrete High School?
Concrete High School enrolls approximately 219 students in grades 07-12.
What age range does Concrete High School serve?
Concrete High School serves students from grade 07 through grade 12.
What is the student-teacher ratio at Concrete High School?
The student-to-teacher ratio at Concrete High School is approximately 13.4:1 (16 FTE teachers).
What is the student diversity at Concrete High School?
Student demographics at Concrete High School are roughly 74% White, 17% Hispanic, 0% Black, 5% Two or more.
Who oversees Concrete High School?
Concrete High School is overseen by Concrete School District in Skagit County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.