Some council areas have some or all of w/c 12th and others have some or all of w/c 17th Feb off. It's the easiest thing to google 'school term dates' by local council area though, and you'll get accurate information that way rather than put trust in a reply on a forum.
[
www.glasgow.gov.uk]
[
www.edinburgh.gov.uk]
[
www.moray.gov.uk]