Timberlane Regional High School enrolls students in grades nine through 12. Its curriculum includes a variety of subjects, such as English, science, literature, computer applications, math, history and oceanography. The high school also has an evening division that offers diploma courses to students. The high school also offers an aerobic dancing course. It has a library for students and faculty. Timberlane Regional High School offers counseling services to students. It organizes a variety of extracurricular activities, such as debate, drama and literary magazine. It has an athletics department and a parent-teacher association. Its Web site provides information about departments and curriculum. Timberlane Regional High School is located in Plaistow and serves students throughout Atkisnon, Danville and Sandown counties in New Hampshire.