School Details

Seneca Valley Senior High School

128 Seneca School Rd, Harmony, PA 16037
(724) 452-6040

(out of 10)

Public Grades 11-12 1131 students 13 students/teacher (PA avg is 15)

Test Scores by grade


Pennsylvania System of State Assessments (PSSA)

In 2011-2012 Pennsylvania used the Pennsylvania System of State Assessments (PSSA) to test students in grades 3 through 8 and 11 in math and reading, in grades 5, 8 and 11 in writing, and in grades 4, 8 and 11 in science. The results for reading, writing and math are displayed on GreatSchools profiles. The PSSA is a standards-based test, which means it measures how well students are mastering specific skills defined for each grade by the state of Pennsylvania. The goal is for all students to score at or above proficient on the test.
  • This school in 2012
  • Seneca Valley School District average
  • Pennsylvania state average

% scale represents number of student who met or exceeded standards

About this school

Seneca Valley Senior High School is a public high school in Jackson Township. The principal of Seneca Valley Senior High School is Mr Mark Korcinsky. 1,131 children attend Seneca Valley Senior High School and identify mostly as White, non-Hispanic; Black, non-Hispanic; and Asian/Pacific Islander. 9% of the 1,131 students here get reduced lunch prices. The student to teacher ratio at Seneca Valley Senior High School is 13:1. Seneca Valley IHS is one of the nearest high schools.

Extracurricular activities


  • Band
  • Ceramics sculpture
  • Chorus
  • Computer arts
  • Dance
  • Drawing painting
  • Orchestra
  • Photography
  • Theater drama
  • Video film production

Languages Taught

  • French
  • German
  • Italian
  • Latin
  • Mandarin
  • Spanish


  • Baseball
  • Basketball
  • Cheerleading
  • Cross country
  • Field hockey
  • Football
  • Golf
  • Lacrosse
  • P.E. classes
  • Rock climbing
  • Soccer
  • Softball
  • Swimming
  • Tennis
  • Track
  • Volleyball
  • Wrestling

Student Ethnicities

Ethnicity School District
White, non-Hispanic 96% 96%
Black, non-Hispanic 1% 1%
Asian/Pacific Islander 1% 2%
Hispanic 1% 0.7%
Asian 1% %
Multiracial 0.4% %
Native American or Native Alaskan 0% 0.1%
Native Hawaiian or Other Pacific Islander 0% %

Student Subgroups

Subgroup School District
Students eligible for free or reduced-price lunch program 9% 9%

Community ratings & reviews

  • (1 year ago)

    This school is pretty bad. There are many reasons to criticize it. I don't think it is deserving of the ratings it has. Either there is a lot that is ignored or there is a lot that is truly not known.

  • (1 year ago)

    Your child can get an education worthy of admission to a top 10 ranked university at Seneca Valley High School. The Honors and AP courseload is rigorous and the teachers are outstanding. The high school itself is modern and clean. My child was never ignored or bullied at any time during his stay in any Seneca Valley school. I'm sure that like any large school district there are problem students and problem teachers----but they are far outweighed by the positives. If they could finally find a resolution to the recurring labor problems between the school board and the teachers Seneca Valley would be close to ideal.

  • (2 years ago)

    I dont know why this school is rated 9 out of 10. First off the amount of drugs in this school is overwehlming causing many familys to move just for the drugs alone. The bullying that takes place leaves kids feeling threatened everyday while they go to school. Not to mention the size of the school is well over populated leaving teachers treating students like numbers than people. I went there for four years and have had teachers barley know my name at the end of the year. Overall it was a terrible school district and I suggest looking into another school district.

  • (5 years ago)

    This school is challenging for students because of the great teachers. My kids (two already though one to go) are better academically socially and as people as a result of the staff and school environment.

  • (6 years ago)

    I was a student there for several years. The activities and classes offered were amazing and provided lots of choices for the students. The size of the school was overwhelming and most teachers seemed to treat the students as numbers rather than people. The academics were amazing but it seemed like they were just passing each child onto the next grade. All in all I am pleased with the education I recieved but if a student wants to feel welcome recieved and not just as a blank face it's probably not the best school.

  • (7 years ago)

    Seneca valley has provided my children with a spectacular education. SV teachers are motivated to push the students to maximum academic potential. The staff has always been willing to apply as many resources as needed to address my child s individual needs. There are plenty of activities for all students to participate. This is a great environment for both the academically oriented children as well as athletically gifted.

  • (8 years ago)

    I believe the academic programs are adequate but do believe that they are looking to just pass the child onto the next grade.They have great extracurricular activities.

  • (9 years ago)

    Highly recommended school! I am a graduate of this school and can't find anything bad to say about the school. Faculty members are all hardworking and their regular & extracurricular programs are wonderful.

See all reviews on GreatSchools

Overall score

(based on 13 ratings & reviews)

  • Teacher quality
  • Principal leadership
  • Parent involvement


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