Lomond School is an independent co-educational day and boarding school in Helensburgh, Argyll and Bute, Scotland. It was formed from a merger in 1977 between Larchfield Academy (founded 1845) and St Bride's School for Girls (founded 1895). It is a member school of the Headmasters' and Headmistresses' Conference. It currently has over 575 pupils and over 45 teaching staff.