Places to meet and study before classes (10)

'places to meet' is the definition.
(concourse can mean a public meeting place)

'study before classes' is the wordplay.
'study' becomes 'con' (con can informally mean to study).
'before' says to put letters next to each other.
'classes' becomes 'courses' ('course' can be a synonym of 'class').
'con'+'courses'='CONCOURSES'

'and' acts as a link.