first school
noun1
Education UK In the three-tier education system, a school for children until thee age of eight or nine.
- For six months in 2015, a class of 9-year-olds from a first school in rural Northumberland (29 children) planned and planted a hay meadow in a local garden […]2017, David Leat, Enquiry and Project Based Learning, page 171:
2
Used other than figuratively or idiomatically: see first, school.