8
reformatory(noun, institution, jail, prison, school)
6
training school(noun, type, school)
4
house of correction(noun, expression, idiom, facility, school)
4
penitentiary
4
prison
3
borstal(noun, school)
3
gaol
3
jail
3
pen
3
penal institution
2
borstal institution(noun, expression, reformatory)
2
brig
2
cooler
2
dungeon
2
house of detention(noun, expression, idiom)
2
industrial school(noun, expression, reformatory)
2
oubliette
2
remand school(noun, expression, reformatory)
1
bastille
1
black hole
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). reform school thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/reform_school/thesaurus/synonyms
ChicagoSmart Define. 2015. "reform school thesaurus" https://smartdefine.org/reform_school/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, reform school thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/reform_school/thesaurus/synonyms>.
MLASmart Define. "reform school thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/reform_school/thesaurus/synonyms>