The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·MOUNT VERNON SCHOOL DISTRICT·NCES 530540002262

Centennial Elementary School

3100 Martin Rd, Mount Vernon, WA 98273 · (360) 428-6138 · Skagit County
GRADES KG–05ELEMENTARY13-CITYTITLE IREGULAR SCHOOL430 STUDENTS
Enrollment
430
Elementary
DISTRICT 419 · STATE 380
Student : Teacher
15.3:1
28 FTE teachers
DISTRICT 13.6:1 · STATE 17.3:1
Free / Reduced Lunch
80%
342 students
DISTRICT 68% · STATE 51%
Community
1
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

GradeStudentsShare
Kindergarten7016%
Grade 17117%
Grade 27117%
Grade 37918%
Grade 46716%
Grade 57217%

This year's kindergarten class (70) is about the same size as its 5th grade class (72).

Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 54% · STATE 68% · US 70%
White
12830%
DISTRICT 34% · STATE 47% · US 43%
Hispanic
28065%
DISTRICT 58% · STATE 27% · US 30%
Black
31%
DISTRICT 1% · STATE 5% · US 15%
Asian
92%
DISTRICT 2% · STATE 9% · US 6%
Two+
82%
DISTRICT 3% · STATE 9% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
10%
DISTRICT 1% · STATE 2% · US 0%
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
Male
21650%
Female
21450%

Discussions

+ POST

Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
34.1%
WA avg 58.4% . +1.3pp since 2014
Math
38.3%
WA avg 51.2% . -1.8pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 34 of every 100 students at this school read and write at grade level and about 38 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 1 points since 2014, while math scores are down about 2 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2534.1%38.3%
2023-2429.9%34.1%
2022-2335.3%37.2%
2021-2232.4%33.9%
2018-1950.6%53.3%
2017-1847.3%52.7%
2016-1747.2%51.7%
2015-1643.5%50.9%
2014-1532.8%40.1%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
33.5%
composite math + reading, all grades
Predicted
26.8%
based on WA schools with similar FRL share
Beats by
+6.7pp
above demographic expectation

What this means: About 34% of students here test proficient in math and reading, compared with the roughly 27% 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 Centennial Elementary School

Centennial Elementary School's state test result (33.5% proficient) is higher than 2 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
Centennial Elementary School this school43079.5%33.5%
Gilbert Elementary School
Yakima
41577.8%40.1%
Allen Elementary
BOW
38679.0%23.0%
Evergreen Elementary School
Shelton
37881.7%15.2%
Whitney Elementary
Yakima
43381.1%37.0%
Mission View Elementary School
WENATCHEE
48482.4%N/A
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 Centennial Elementary School ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn Skagit County
State test proficiency
ranked highest first
33.5%#745 of 936#17 of 24
Math proficiency
ranked highest first
38.3%#700 of 1,103
▲ 69
#11 of 24
▼ 1
Reading proficiency
ranked highest first
34.1%#880 of 1,102
▲ 61
#18 of 24
▲ 1
3-year test score change
ranked biggest gain first
+3.0pp#371 of 928#7 of 24
Enrollment
ranked largest first
430#519 of 1,268#9 of 28
Students per teacher
ranked fewest first
15.3:1#402 of 1,085#12 of 21
Diversity index
ranked most diverse first
48.6%#800 of 1,088#11 of 21
Free and reduced lunch
ranked highest share first
79.5%#121 of 1,169#2 of 24
Enrollment change since 2017-18
ranked steepest decline first
-20.7%#276 of 778#4 of 16
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 2024-25
Enrollment
430
+25 (+6%) vs 2020
-4% since 1990-91, when it was 450
Student : Teacher
15.3:1
was 14.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2543028.215.3:180% (342)
2023-244352815.5:178% (340)
2022-2342630.114.2:177% (328)
2020-214052814.5:173% (295)
2017-1854234.115.9:178% (421)
2015-165583316.9:182% (458)
2010-115963218.6:179% (473)
2000-015572919.2:1N/A
1990-914501923.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Centennial Elementary School.

Since 2017-18: students down 21% (542 to 430); teachers down 17% (34.1 to 28.2).

About Centennial Elementary School

Mount Vernon, Washington, is home to Centennial Elementary School, a mid-sized elementary school. The school counted 430 students in 2024-25, covering kindergarten through 5.

Centennial Elementary School is part of a district of 14 schools: Mount Vernon School District, with 6,326 students.

More than half of enrollment at Centennial Elementary School is Hispanic: 65%. Other groups make up 30% White and 2% Asian. Skagit County as a whole is about 19% Hispanic, so the school's share is higher. On the diversity index, which measures the chance that two random students are from different groups, Centennial Elementary School scores 49%.

Based on 28.2 full-time-equivalent teachers, Centennial Elementary School has a ratio of 15.3:1. The average for elementary schools in Washington, 17.3:1, is higher. Income data for the school show 80% of students eligible for free or reduced-price lunch. By comparison, the figure for public schools in Skagit County is 56%.

On BeatsExpectations, Centennial Elementary School is 6.7 points above its prediction, a result in the middle 80% of Washington schools.

Census data for Skagit County show median household income comes to about $89,263, the share of adults with a bachelor's degree or higher is 30%, and roughly 7% of residents are in poverty. The county has 54 public schools and about 18,298 students.

Straight-line distance to the nearest public school, Mount Vernon Open Doors, is about 0.6 miles. Around the school, at least 8 other public schools are within five miles. On state test proficiency, Centennial Elementary School ranks 3rd in a group of 6 nearby schools.

Centennial Elementary School falls in the City: Small locale category, used for schools inside a principal city with a population under 100,000.

Over 4 years, enrollment rose by 25 students, from 405 to 430.

People can post here about homework, tutoring, and testing dates and other school topics. Parents, students, alumni, and staff are welcome to post.

Skagit County at a glance

View full county profile
Population
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

School name
Centennial Elementary School
District
Mount Vernon School District
Address
3100 Martin Rd, Mount Vernon, WA 98273
Phone
(360) 428-6138
County
Skagit County
Level
Elementary
Grade range
KG–05
Total enrollment
430
Teachers (FTE)
28
Student–teacher ratio
15.3:1
Free and reduced lunch
342 (80%)
Locale
13-City: Small
NCES ID
530540002262
Charter school
No
Virtual school
No

Related schools

Other schools in Mount Vernon School District
Other schools in Mount Vernon
Other Centennial Elementary schools

33 other US public schools in 17 states are named Centennial Elementary. Centennial Elementary School is the 19th largest of the 34.

Nearby schools

Frequently asked questions

About Centennial Elementary School
How large is Centennial Elementary School?
Centennial Elementary School enrolls approximately 430 students in grades KG-05.
What age range does Centennial Elementary School serve?
Centennial Elementary School serves students from grade KG through grade 05.
How many students per teacher at Centennial Elementary School?
Approximately 15.3:1 students per teacher at Centennial Elementary School.
How diverse is Centennial Elementary School?
Centennial Elementary School reports a student body of 30% White, 65% Hispanic, 1% Black, 2% Asian, 2% Two or more.
Who oversees Centennial Elementary School?
Centennial Elementary School is overseen by Mount Vernon School District in Skagit County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post