| Llanedeyrn High School Ysgol Uwchradd Llanedeyrn | |
|---|---|
| Address | |
 | |
Roundwood, Llanedeyrn , CF23 9US Wales | |
| Coordinates | 51°30′46″N 3°08′59″W / 51.5129°N 3.1497°W |
| Information | |
| Type | Community school |
| Motto | Achievement, Equality, Excellence |
| Established | 1970 |
| Closed | 2014 |
| Local authority | Cardiff County Council |
| Department for Education URN | 401878 Tables |
| Gender | Mixed |
| Age range | 11–18 |
| Website | www |
Llanedeyrn High School (Welsh: Ysgol Uwchradd Llanedeyrn) was an 11–16 mixed, community comprehensive school in Llanedeyrn, Cardiff, Wales. It was established in 1970 as the first purpose-built comprehensive school in Wales and closed in 2014.