For the 2025-26 school year, there are 2 public high schools serving 1,018 students in Posey County, IN.
The top ranked public high schools in Posey County, IN are Mount Vernon High School and North Posey High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Posey County, IN public high schools have an average math proficiency score of 29% (versus the Indiana public high school average of 29%), and reading proficiency score of 58% (versus the 46% statewide average). High schools in Posey County have an average ranking of 8/10, which is in the top 30% of Indiana public high schools.
Posey County, IN public high school have a Graduation Rate of 94%, which is more than the Indiana average of 89%.
The school with highest graduation rate is Mount Vernon High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Indiana or national school graduation rate statistics.
Minority enrollment is 9% of the student body (majority Hispanic), which is less than the Indiana public high school average of 36% (majority Hispanic and Black).
Best Public High Schools in Posey County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mount Vernon High School
(Math: 25-29% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
700 Harriett St
Mount Vernon, IN 47620
(812) 838-4356
Mount Vernon, IN 47620
(812) 838-4356
Gr: 9-12 | 576 students Student-teacher ratio: 10:1 Minority enrollment: 11%
Rank: #22.
North Posey High School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
5900 High School Rd
Poseyville, IN 47633
(812) 673-4242
Poseyville, IN 47633
(812) 673-4242
Gr: 7-12 | 442 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Posey County Public Schools (Closed)
School
Location
Quick Facts
716 Locust St
Mount Vernon, IN 47620
(812) 833-2069
Mount Vernon, IN 47620
(812) 833-2069
Gr: PK-5
1000 East St
New Harmony, IN 47631
(812) 682-4401
New Harmony, IN 47631
(812) 682-4401
Gr: PK-12 | 142 students Student-teacher ratio: 8:1 Minority enrollment: 8%
Frequently Asked Questions
What are the top ranked public high schools in Posey County, IN?
The top ranked public high schools in Posey County, IN include Mount Vernon High School and North Posey High School.
How many public high schools are located in Posey County?
2 public high schools are located in Posey County.
What is the racial composition of students in Posey County?
Posey County public high schools minority enrollment is 9% of the student body (majority Hispanic), which is less than the Indiana public high schools average of 36% (majority Hispanic and Black).
Which public high schools in Posey County are often viewed compared to one another?
Popular comparisons of public high schools in Posey County include: North Posey High School vs. Mount Vernon High School, Mount Vernon High School vs. North Posey High School
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