Centennial High School is a public high school located in Roswell, Georgia, United States. It opened in 1997. The school was named in honor of the 1996 Olympic games held in Atlanta a year before the school's opening, which marked the centennial anniversary of the modern games. The school's mascot is the Knight.
Serving 1,643 students in grades 9-12, Centennial High School ranks in the top 20% of all schools in Georgia for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 51% (which is higher than the Georgia state average of 39%). The percentage of students achieving proficiency in reading/language arts is 54% (which is higher than the Georgia state average of 40%).
The student-teacher ratio of 14:1 is equal to the Georgia state level of 14:1.
Minority enrollment is 62% of the student body (majority Hispanic), which is lower than the Georgia state average of 66% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,643 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 62%
- Graduation Rate: 93% (Top 30% in GA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 51% (Top 30%)
- Reading Proficiency: 54% (Top 20%)
- Science Proficiency: 51% (Top 30%)
- Source: National Center for Education Statistics (NCES), GA Dept. of Education
Top Rankings
Centennial High School ranks among the top 20% of public schools in Georgia for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Diversity
School Overview
Centennial High School's student population of 1,643 students has declined by 13% over five school years.
The teacher population of 116 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,643 students
Total Classroom Teachers
116 teachers
Year Founded
1997
Colors
Black, Blue
School Calendar
School Rankings
Centennial High School ranks within the top 20% of all 2,192 schools in Georgia (based off of combined math and reading proficiency testing data).
The diversity score of Centennial High School is 0.70, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#413 out of 2192 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
51%
39%
Reading/Language Arts Test Scores (% Proficient)
54%
40%
Science Test Scores (% Proficient)
51%
40%
Student-Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
4%
5%
Hispanic
35%
20%
Black
19%
36%
White
38%
34%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
93%
84%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
36%
63%
Eligible for Reduced Lunch
7%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), GA Dept. of Education
School Notes
- School Mascot: Knight
Frequently Asked Questions
What is Centennial High School's ranking?
Centennial High School is ranked #413 out of 2,192 schools, which ranks it among the top 20% of public schools in Georgia.
What schools are Centennial High School often compared to?
Centennial High Schoolis often viewed alongside schools like Alpharetta High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
51% of students have achieved math proficiency (compared to the 39% GA state average), while 54% of students have achieved reading proficiency (compared to the 40% GA state average).
What is the graduation rate of Centennial High School?
The graduation rate of Centennial High School is 93%, which is higher than the Georgia state average of 84%.
How many students attend Centennial High School?
1,643 students attend Centennial High School.
What is the racial composition of the student body?
38% of Centennial High School students are White, 35% of students are Hispanic, 19% of students are Black, 4% of students are Asian, and 4% of students are Two or more races.
What is the student-teacher ratio of Centennial High School?
Centennial High School has a student ration of 14:1, which is equal to the Georgia state average of 14:1.
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 Fulton County School District.
School Reviews
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