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"At School" Or "In School" - Easy Preposition Guide - Grammarhow
"In school" vs "at school" - English Language & Usage Stack Exchange
Which is correct: AT SCHOOL or IN SCHOOL? - Espresso English
‘At school’ vs. ‘in school’ in British and American English
prepositions - at the school vs in the school - English Language ...
In school Definition & Meaning - Merriam-Webster
"At School" Or "In School" - Easy Preposition Guide
Which is correct - IN school or AT school? - Espresso English
I'm a teacher and I teach at/in school OR at/in a school
Preposition confusion - Do you learn something 'at' school OR 'in ...