The language is a mixture of English and Spanish called "Spanglish." "Vandals" is strictly an English word, and the other two are Spanish. The motto does not translate logically, as it is literally "reproved us vandals." I guess it could mean that someone scolded some vandals, but certainly it would not be commonly stated in the language of the question in either English or Spanish.
Niardo's motto is 'nos exaequat victoria caelo'.
The motto of Aldershot School is 'Veritas Nos Ducat'.
The motto of Castleknock College is 'Nos Autem in Nomine Domini'.
The motto of San Miniato is 'Sic nos in sceptra reponis'.
The motto of Julien Ries is 'Caritas Christi Urget Nos'.
The motto of Thomas Winning is 'Caritas Christi urget nos'.
Paarl Gimnasium's motto is 'Sol Justitae Illustra Nos'.
The Latin motto "together we prevail" is una nos increbresco or "united we prevail" is iunctus nos increbresco.
Cégep de Matane's motto is 'Partagez nos passions!'.
Universidad Iberoamericana's motto is 'La verdad nos hará libres'.
The motto of Gamma Alpha Omega is 'Nos Una Crescemus'.
Adolfo Ibáñez University's motto is 'Veritas liberabit nos'.