[3][4] The school has four deputy head teachers: David Robertson, Linda Wright, Pamela Docherty and Alistair Gray.

[7] The head teacher Barbara Lee took up the post in August 2021,taking over from Richard McGowan .

[12] Lesmahagow High School was inspected by Her Majesty's Inspectorate of Education (HMIe) in November 2009.

[12] In 2012, a report by EKOS Consultants for South Lanarkshire County Council noted that pupils' Year 4 attainment was typical for Scotland, but "examination results for both 5th and 6th years are aubstantially below local and national levels".

[13] The school has celebrated National Science and Engineering week[14] and provides pupils with careers advice.