Coltness High School is a secondary school located in Coltness, the largest suburb of Wishaw, North Lanarkshire, Scotland.

The school opened in 1966, and as of May 2015 had a roll of 780 pupils.

The school serves the catchment area of Coltness and Cambusnethan, as well as settlements outside of Wishaw such as Cleland.

From 2010 the school underwent a series of renovation works to modernise its aging facilities and reduce the likelihood of closure.

This article about a school in Scotland is a stub.