For the 2026 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 (2026)
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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