We found one dictionary that defines the word all-through schools:

General (1 matching dictionary)

1. all-through schools: Wiktionary

▸ Words similar to all-through schools ▸ Usage examples for all-through schools ▸ Idioms related to all-through schools ▸ Wikipedia articles (New!) ▸ Words that often appear near all-through schools ▸ Rhymes of all-through schools ▸ Invented words related to all-through schools