St. Timothy's School 8400 Greenspring Ave, Stevenson, MD21153 St. Timothy's School is a private, all-girls school dedicated to providing students with exceptional education and…More preparation for the wider world. The school offers boarding, and day students are welcome as well. The school offers a sense of community to students, their families, friends and alumnae. Besides academics, students are provided with physical and social activities, including an equestrian program, and cultural activities, like performances and seminars. St. Timothy's also offers an international baccalaureate program, which allows students to attend universities worldwide.