High School (disambiguation) explained

A high school or secondary school is a formal learning institution.

High School or high school may also refer to:

High school (North America), covering ages 14–18 (level 3 of the ISCED scale) in the K-12 system

Film and television

High School (1940 film), an American film
High School (1954 film), an Italian film
High School (1968 film), a documentary
High Schools (film), a 1984 documentary
High School High (1996), a comedy starring Jon Lovitz and Mehki Phifer
High School Musical, a 2006 made-for-TV film
- High School Musical (franchise), a media franchise
  - High School Musical 2, 2007 sequel to High School Musical
  - , 2008 theatrical sequel to High School Musical
  - , a 2019-present Disney+ series
High School DxD a 2008 light novel and anime
High School (2010 film), a comedy film
High School (British TV series), a 2012 British television documentary series
High School (Polish TV series), a 2014 para-documentary television series
High School (American TV series), a 2022 American streaming television series

"High School", a 1970 song by MC5 from Back in the USA
"High School", a 1978 song by High Inergy from "We Are the Future"
"High School", a 1980 song by Little Murders
- "High School" (song), a 2013 song by Nicki Minaj, recorded in 2012, released in 2013
"High School", a 2017 song by Kelsea Ballerini from Unapologetically

Classical dressage also called High School Dressage, the purest form of classical horse riding and dressage
"High School", a 1975 comedy monologue by Jimmie Walker
"Highschool", a Strong Bad email from the Homestar Runner website, drawn from the 1983 arcade game Tag Team Wrestling
High School, a 2003 manhwa series by Kim Young Ho
High School (book), a 2019 memoir by Sara and Tegan Quin