Are you a fan yet? Chaz Brenchley's Crater School books are a perfect recreation of the classic girls' boarding school tales such as the Chalet School series. There's just one twist: the school is on Mars! The first book in the series is Three Twins at the Crater School.
https://wizardstowerpress.com/books-2/chaz-brenchley/three-twins-at-the-crater-school/