Westminster School is the more common name of The Royal College of St. Peter at Westminster in London, which is one of the original group of nine leading public schools in England as defined by the Public Schools Act 1868.
Westminster School may also refer to:
- In Australia
- Westminster School, Adelaide, a private K–12 school in Adelaide, South Australia
- In the Philippines
- In Sudan
- In the United Arab Emerits
- In the United Kingdom
- Westminster Abbey Choir School
- Westminster City School, a voluntary aided school in London, England
- Westminster School, an independent school in London, England
- Westminster Under School, a preparatory school in London, England
- Westminster School of Art, a former art school in London, England
- In the United States
- The Westminster Schools, a private secondary school in Atlanta, Georgia
- Westminster Christian School, a private Reformed K–12 school in Miami, Florida
- Westminster High School (Westminster, California)
- Westminster High School (Westminster, Colorado)
- Westminster High School (Westminster, Maryland)
- Westminster School (Connecticut), a private boarding school in Simsbury, Connecticut
- Westminster School (Oklahoma), a private school in Oklahoma City, Oklahoma
- Westminster School (Annandale, Virginia), a private school, K–8, located in Annandale, VA
- Westminster Schools of Augusta, a private school, PreK–12, located in Augusta, Georgia