What is greengreenwich high school known for? Greenwich High School is a four-year public high school in Greenwich, Connecticut, United States. The school is part of the Greenwich Public Schools system and serves roughly 2,500 students. It offers over 295 courses and a wide variety of co-curricular and extra-curricular activities.What extracurricular activities does greenwich high school ghs have? Extracurricular activities. Greenwich High School (GHS) has a number of student activities designed to promote a broad spectrum of interests. The school's student newspaper is The Beak. The yearbook is The Compass. Greenwitch is the school's student literary magazine. Student activities include student government, as well as academic, music,...How do i contact ghs faculty and staff members? The information below provides quick access to contact information for our most frequently contacted GHS faculty and staff members. To contact inpidual teachers, please send an email to their GPS email accounts, which can be found in our GHS Staff Directory .