 | This article may rely excessively on sources too closely associated with the subject, potentially preventing the article from being verifiable and neutral. (March 2024) |
| Middlesex School | |
|---|---|
 An aerial view of Middlesex School in November 2015 | |
| Address | |
 | |
1400 Lowell Road , 01742 | |
| Coordinates | 42°30′2″N 71°22′10″W / 42.50056°N 71.36944°W |
| Information | |
| School type | Private, independent, day and boarding, college-preparatory |
| Motto | Fides, Veritas, Labor |
| Established | 1901 |
| Head of school | Elizabeth Speers |
| Enrollment | 420 |
| Average class size | 12 |
| Student to teacher ratio | 4:1 |
| Campus size | 350 acres (1.4 km2) |
| Campus type | Suburban |
| Color(s) | Cardinal and Black |
| Athletics conference | Independent School League |
| Nickname | Zebras |
| Newspaper | The Anvil |
| Endowment | $220 million |
| Tuition | $72,050 (boarding) $58,350 (day) (2023-24) |
| Website | www |
Middlesex School (informally known as MX) is a coeducational, independent, and non-sectarian boarding secondary school located in Concord, Middlesex County, Massachusetts. Founded in 1901 to educate the children of wealthy Boston Brahmin families, Middlesex introduced a national scholarship program in 1935 and currently educates 420 students from 32 U.S. states and 20 countries.