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 and St Bride's School for Girls (founded 1895). It is a member school of the Headmasters' and Headmistresses' Conference. The school was originally located in the Larchfield Academy. The old building burnt down in a fire and now there is a new building on the same site.