We found 6 dictionaries that define the word preparatory schools:

General (5 matching dictionaries)

1. preparatory schools: Merriam-Webster
2. preparatory schools: Collins English Dictionary
3. preparatory schools: Vocabulary.com
4. preparatory schools: Cambridge Advanced Learner's Dictionary
5. Preparatory schools: TheFreeDictionary.com

Computing (1 matching dictionary)

6. Preparatory schools: Encyclopedia

(Note: See preparatory_school as well.)

Definitions from Wiktionary (preparatory school) ▸ noun:  A prep school ▸ Also see preparatory_school ▸ Words similar to preparatory schools ▸ Usage examples for preparatory schools ▸ Idioms related to preparatory schools ▸ Wikipedia articles (New!) ▸ Words that often appear near preparatory schools ▸ Rhymes of preparatory schools ▸ Invented words related to preparatory schools