For the 2026 school year, there are 7 public high schools serving 13,182 students in Alpharetta, GA. The top-ranked public high schools in Alpharetta, GA are Johns Creek High School, Chattahoochee High School and Milton High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Alpharetta, GA public high schools have an average math proficiency score of 72% (versus the Georgia public high school average of 35%), and reading proficiency score of 74% (versus the 43% statewide average). High schools in Alpharetta have an average ranking of 10/10, which is in the top 1% of Georgia public high schools.
Alpharetta, GA public high school have a Graduation Rate of 96%, which is more than the Georgia average of 85%.
The school with highest graduation rate is Johns Creek High School, with 98% graduation rate. Read more about public school graduation rate statistics in Georgia or national school graduation rate statistics.
Minority enrollment is 58% of the student body (majority Asian), which is less than the Georgia public high school average of 65% (majority Black).
Best Public High Schools in Alpharetta, GA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Johns Creek High School
(Math: 79% | Reading: 75%)
Rank:
Rank:
10/
Top 5%10
5575 State Bridge Rd
Alpharetta, GA 30022
(470) 254-2138
Alpharetta, GA 30022
(470) 254-2138
Gr: 9-12 | 1,789 students Student-teacher ratio: 18:1 Minority enrollment: 55%
Rank: #22.
Chattahoochee High School
(Math: 74% | Reading: 76%)
Rank:
Rank:
10/
Top 5%10
5230 Taylor Rd
Alpharetta, GA 30022
(470) 254-7600
Alpharetta, GA 30022
(470) 254-7600
Gr: 9-12 | 1,730 students Student-teacher ratio: 16:1 Minority enrollment: 63%
Rank: #33.
Milton High School
(Math: 69% | Reading: 76%)
Rank:
Rank:
10/
Top 5%10
13025 Birmingham Hwy
Alpharetta, GA 30004
(470) 254-7000
Alpharetta, GA 30004
(470) 254-7000
Gr: 9-12 | 1,999 students Student-teacher ratio: 18:1 Minority enrollment: 42%
Rank: #44.
Alpharetta High School
(Math: 70% | Reading: 74%)
Rank:
Rank:
10/
Top 10%10
3595 Webb Bridge Rd
Alpharetta, GA 30005
(470) 254-7640
Alpharetta, GA 30005
(470) 254-7640
Gr: 9-12 | 2,024 students Student-teacher ratio: 17:1 Minority enrollment: 68%
Rank: #55.
Cambridge High School
(Math: 65% | Reading: 75%)
Rank:
Rank:
10/
Top 10%10
2845 Bethany Bnd
Alpharetta, GA 30004
(470) 254-2883
Alpharetta, GA 30004
(470) 254-2883
Gr: 9-12 | 1,602 students Student-teacher ratio: 16:1 Minority enrollment: 37%
Rank: #66.
Denmark High School
(Math: 64% | Reading: 71%)
Rank:
Rank:
10/
Top 10%10
645 Mullinax Rd
Alpharetta, GA 30004
(470) 533-2521
Alpharetta, GA 30004
(470) 533-2521
Gr: 9-12 | 2,527 students Student-teacher ratio: 17:1 Minority enrollment: 68%
Rank: n/an/a
125 Milton Ave
Alpharetta, GA 30009
(470) 254-5365
Alpharetta, GA 30009
(470) 254-5365
Gr: 9-12 | 1,511 students Student-teacher ratio: 19:1 Minority enrollment: 66%
Frequently Asked Questions
What are the top-ranked public high schools in Alpharetta, GA?
The top-ranked public high schools in Alpharetta, GA include Johns Creek High School, Chattahoochee High School and Milton High School. Alpharetta has one of the highest concentrations of top-ranked public schools in Georgia.
How many public high schools are located in Alpharetta?
7 public high schools are located in Alpharetta.
What is the racial composition of students in Alpharetta?
Alpharetta public high schools minority enrollment is 58% of the student body (majority Asian), which is less than the Georgia public high schools average of 65% (majority Black).
Which public high schools in Alpharetta are often viewed compared to one another?
Popular comparisons of public high schools in Alpharetta include: Cambridge High School vs. Alpharetta High School, Alpharetta High School vs. Cambridge High School, Chattahoochee High School vs. Alpharetta High School
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