Centennial High School is a public high school located in Gresham, Oregon, United States. It is the only high school in the Centennial School District.
Serving 1,731 students in grades 9-12, Centennial High School ranks in the bottom 50% of all schools in Oregon for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 9% (which is lower than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 34% (which is lower than the Oregon state average of 44%).
The student-teacher ratio of 27:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 67% of the student body (majority Hispanic), which is higher than the Oregon state average of 43% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,731 students
- Student-Teacher Ratio: 27:1
- Minority Enrollment: 67%
- Graduation Rate: 73% (Btm 50% in OR)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 9% (Btm 50%)
- Reading Proficiency: 34% (Btm 50%)
- Science Proficiency: 24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
Top Rankings
Centennial High School ranks among the top 20% of public schools in Oregon for:
Category
Attribute
Diversity
School Overview
Centennial High School's student population of 1,731 students has stayed relatively flat over five school years.
The teacher population of 65 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,731 students
Total Classroom Teachers
65 teachers
Year Founded
1959
School Calendar
School Rankings
Centennial High School ranks within the bottom 50% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Centennial High School is 0.74, which is more than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1035 out of 1174 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
9%
31%
Reading/Language Arts Test Scores (% Proficient)
34%
44%
Science Test Scores (% Proficient)
24%
30%
Student-Teacher Ratio
27:1
17:1
American Indian
n/a
1%
Asian
14%
4%
Hispanic
35%
26%
Black
8%
3%
White
33%
57%
Hawaiian
4%
1%
Two or more races
6%
8%
All Ethnic Groups
Graduation Rate
73%
81%
Eligible for Free Lunch
90%
67%
Eligible for Reduced Lunch (21-22)
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
School Notes
- School Mascot: Eagle
Frequently Asked Questions
What is Centennial High School's ranking?
Centennial High School is ranked #1035 out of 1,174 schools, which ranks it among the bottom 50% of public schools in Oregon.
What schools are Centennial High School often compared to?
Centennial High Schoolis often viewed alongside schools like David Douglas High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
9% of students have achieved math proficiency (compared to the 31% OR state average), while 34% of students have achieved reading proficiency (compared to the 44% OR state average).
What is the graduation rate of Centennial High School?
The graduation rate of Centennial High School is 73%, which is lower than the Oregon state average of 81%.
How many students attend Centennial High School?
1,731 students attend Centennial High School.
What is the racial composition of the student body?
35% of Centennial High School students are Hispanic, 33% of students are White, 14% of students are Asian, 8% of students are Black, 6% of students are Two or more races, and 4% of students are Hawaiian.
What is the student-teacher ratio of Centennial High School?
Centennial High School has a student ration of 27:1, which is higher than the Oregon state average of 17:1.
What grades does Centennial High School offer ?
Centennial High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Centennial High School part of?
Centennial High School is part of Centennial SD 28j School District.
School Reviews
Review Centennial High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
