Public School Review - Established 2003

Centennial High School vs. Alpharetta High School

Should you attend Centennial High School or Alpharetta High School? Visitors to our site frequently compare these two schools. Compare their rankings, test scores, reviews and more to help you determine which school is the best choice for you.

School Overview

School
Centennial High School
9310 Scott Rd
Roswell, GA 30076
: 
8/
10
Top 30%
Alpharetta High School
3595 Webb Bridge Rd
Alpharetta, GA 30005
: 
9/
10
Top 20%
Top Rankings

Centennial High School ranks among the top 20% of public schools in Georgia for:

Category
Attribute
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Diversity
Most diverse schools (Top 10%)

Alpharetta High School ranks among the top 20% of public schools in Georgia for:

Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Graduation Rate
Highest graduation rate (Top 5%)
Diversity
Most diverse schools (Top 5%)
Overview
Serving 1,788 students in grades 9-12, Centennial High School ranks in the top 30% of all schools in Georgia for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 44% (which is higher than the Georgia state average of 37%). 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 16:1 is higher than 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 64% (majority Black).
Serving 2,174 students in grades 9-12, Alpharetta 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 52% (which is higher than the Georgia state average of 37%). The percentage of students achieving proficiency in reading/language arts is 74% (which is higher than the Georgia state average of 40%).
The student:teacher ratio of 18:1 is higher than the Georgia state level of 14:1.
Minority enrollment is 65% of the student body (majority Asian and Black), which is higher than the Georgia state average of 64% (majority Black and Hispanic).
Grades Offered
9-12
9-12
Total Students
1,788 students
2,174 students
This chart displays total students of Centennial High School by year, with the latest 2022-23 school year data.
This chart displays total students of Alpharetta High School by year, with the latest 2022-23 school year data.
% Male | % Female
51% | 49%
49% | 51%
This chart displays gender of Centennial High School
This chart displays gender of Alpharetta High School
Total Classroom Teachers
113 teachers
121 teachers
This chart displays the total teachers of Centennial High School by year, with the latest 2022-23 school year data.
This chart displays the total teachers of Alpharetta High School by year, with the latest 2022-23 school year data.
Student : Teacher Ratio
16:1
18:1
This chart displays the student teacher ratio of Centennial High School and the public school average student teacher ratio of Georgia by year, with the latest 2022-23 school year data.
This chart displays the student teacher ratio of Alpharetta High School and the public school average student teacher ratio of Georgia by year, with the latest 2022-23 school year data.

Test Scores

#528 out of 2204 schools in GA
(Top 30%)
#253 out of 2204 schools in GA
(Top 20%)
This chart displays the overall school rank of Centennial High School, with the latest 2021-22 school year data.
This chart displays the overall school rank of Alpharetta High School, with the latest 2021-22 school year data.
44%
(Top 50% in GA)
52%
(Top 30% in GA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Centennial High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Georgia by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Alpharetta High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Georgia by year, with the latest 2021-22 school year data.
54%
(Top 20% in GA)
74%
(Top 5% in GA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Centennial High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Georgia by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Alpharetta High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Georgia by year, with the latest 2021-22 school year data.
51%
(Top 30% in GA)
72%
(Top 5% in GA)
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Centennial High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Georgia by year, with the latest 2021-22 school year data.
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Alpharetta High School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Georgia by year, with the latest 2021-22 school year data.
94%
(Top 30% in GA)
97%
(Top 5% in GA)
This chart displays graduation rate of Centennial High School and public school graduation rate of Georgia by year, with the latest 2021-22 school year data.
This chart displays graduation rate of Alpharetta High School and public school graduation rate of Georgia by year, with the latest 2021-22 school year data.

Students by Grade

Students by Grade
This chart displays the students of Centennial High School by grade.
This chart displays the students of Alpharetta High School by grade.
Grade 9 Students
500
529
Grade 10 Students
432
571
Grade 11 Students
450
515
Grade 12 Students
406
559

Students by Ethnicity

% American Indian
n/a
n/a
% Asian
4%
27%
This chart displays the percentage of Asian students in Centennial High School and the percentage of Asian public school students in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of Asian students in Alpharetta High School and the percentage of Asian public school students in Georgia by year, with the latest 2022-23 school year data.
% Hispanic
31%
14%
This chart displays the percentage of Hispanic students in Centennial High School and the percentage of Hispanic public school students in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of Hispanic students in Alpharetta High School and the percentage of Hispanic public school students in Georgia by year, with the latest 2022-23 school year data.
% Black
23%
20%
This chart displays the percentage of Black students in Centennial High School and the percentage of Black public school students in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of Black students in Alpharetta High School and the percentage of Black public school students in Georgia by year, with the latest 2022-23 school year data.
% White
38%
35%
This chart displays the percentage of White students in Centennial High School and the percentage of White public school students in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of White students in Alpharetta High School and the percentage of White public school students in Georgia by year, with the latest 2022-23 school year data.
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
This chart displays the percentage of students of two or more races in Centennial High School and the percentage of public school students of two or more races in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of students of two or more races in Alpharetta High School and the percentage of public school students of two or more races in Georgia by year, with the latest 2022-23 school year data.
0.71
0.75
This chart displays the diversity score of Centennial High School and the public school average diversity score of Georgia by year, with the latest 2022-23 school year data.
This chart displays the diversity score of Alpharetta High School and the public school average diversity score of Georgia by year, with the latest 2022-23 school year data.

Additional Information

Eligible for Free Lunch
28%
9%
This chart displays the percentage of students who is eligible for free lunch in Centennial High School and the percentage of public school students who is eligible for free lunch in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for free lunch in Alpharetta High School and the percentage of public school students who is eligible for free lunch in Georgia by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
7%
2%
This chart displays the percentage of students who is eligible for reduced lunch in Centennial High School and the percentage of public school students who is eligible for reduced lunch in Georgia by year, with the latest 2022-23 school year data.
This chart displays the percentage of students who is eligible for reduced lunch in Alpharetta High School and the percentage of public school students who is eligible for reduced lunch in Georgia by year, with the latest 2022-23 school year data.
 
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