Study Abroad Expands to Three Trimesters at Putney School Last winter’s trimester away in Cuernavaca, Mexico, pioneered by Putney Spanish teacher Abelardo Almazan-Vazquez. was a complete success and served as the template for expanding overseas offerings to all three trimesters for this school year. In addition to a trimester at Cuernavaca’s Bachillerato Internacional UNINTER in the fall, students in 10th,