| Grades Served: | 2-12 co-educational |
| Teacher/Student Ratio: | 1:3 |
| Average Academic Class Size: | 4-8 students |
| Day Students: | Grades 2-12 |
| Residential Students: |
Grades 9-12 (Applications for 8th grade residents will be made on a case-by-case basis.) |
| Current Student Enrollment: | Elementary/Middle School: 150 day students High School: 310 Students (148 day; 162 residential) |
| Total Faculty and Staff: | 305 |
| Accreditations: | New England Association of Schools & Colleges; Massachusetts Department of Education |
| Memberships: |
National Association of Independent Schools, Association of Independent Schools of New England, Massachusetts Association of 766 Approved Private School |
| Elementary/Middle School: | 18 acres |
| High School: | 27 acres |
| College Placement: | 96% of Landmark's 2011 graduates attend college. |
| Alumni: | An active and growing nationwide program with social and career networking opportunities for Landmark students and graduates |
| Summer Program: | 150 students enroll in educational programs each summer. |
| Outreach Program: |
The Landmark School Outreach Program offers professional development courses and seminars on-site and online as well as publications for educators, administrators, clinicians and parents. www.landmarkoutreach.org |
