A summer school is an educational course on a particular subject that is run during the summer. The students usually stay at the place where the summer school is being held.
[mainly British]
...a summer school for young professional singers.
2. variable noun
Summer school is a summer term at a school, college, or university, for example for students who need extra teaching or who want to take extra courses.
[mainly US]
summer school in British English
noun
a school, academic course, etc, held during the summer
summer school in American English
US
a school or college session held during the regular summer vacation
Examples of 'summer school' in a sentence
summer school
Summer schools are also good business, said Love.
Times, Sunday Times (2013)
More than 1,000 students will take part in 23 summer schools run by business volunteers across the country.
Times, Sunday Times (2006)
My own school is rarely closed to pupils because we run summer schools, sports coaching and other programmes in August.