Prepared skilled teachers and eliminate unfit teachers were the purposes of?

Prepared skilled teachers and eliminate unfit teachers were the purposes of?

(a) The Lyceum
(b) The Kindergarten
(c) The Émile
(d) Horace Mann's Common and Normal Schools

✅ Correct Option: (d) Horace Mann's Common and Normal Schools
Explanation: Horace Mann established common schools and normal schools to train skilled teachers and ensure quality education.