Question: Principal Elizabeth Cairncross leads over what types of music school?

Context paragraphs:
Purcell School: The Purcell School for Young Musicians is a specialist music school for children, located in the town of Bushey, south Hertfordshire, England, and is the oldest specialist music school in the UK.  The school was awarded the UNESCO Mozart Medal in 2003, which was received on behalf of the school by Prince Charles, who is a patron of the school.  Sir Simon Rattle is honorary president of the school.  Many of the pupils subsequently study at the Royal College of Music or Royal Academy of Music.  In 2015, the School became the very first Fazioli Pianoforti Centre of Excellence.

Brooklyn Music School: The Brooklyn Music School is a community school for the performing arts in the Fort Greene neighborhood of Brooklyn, New York.  The school was founded in 1912 as the Brooklyn Music School Settlement.  It owns and operates a four-story building located at 126 St. Felix St. that contains twenty-four classrooms, three dance studios, and a 266-seat Spanish Style theatre.  The Brooklyn Music School is a long-standing member of the National Guild of Community Schools of the Arts.

People's Music School: Founded in 1976, The People's Music School offers free group classes and private lessons to children and adults, regardless of their financial resources.  People's Music School is located in Uptown, Chicago at 931 W. Eastwood Avenue.  The School today offers instruction in 13 instruments (including woodwind, piano, percussion, and string instruments), as well as voice and theory classes to more than 350 students each year.  In exchange for free music education, parents of the students volunteer at the school for two hours a month.  The People's Music School also presents free concert performances to showcase the talents of its students and to give back to the neighborhood.

Fenger Academy High School (Chicago): Fenger Academy High School is a public 4–year high school located in the Roseland neighborhood on the far south side of Chicago, Illinois, United States.  Fenger is a part of the Chicago Public Schools district.  The school is named for Danish surgeon Christian Fenger.  Fenger opened in 1893.  Fenger, along with its former principal Elizabeth Dozier and numerous staff and students was featured prominently in the 2014 CNN documentary series "Chicagoland".

Sree Rama Varma Music School: Sree Rama Varma Music School (മലയാളം: ) is a music school situated in Thrissur city in Kerala, India and it is the first music school in Kerala state.  The school is also known as S.R.V. Music School.  In 2016, the institution was upgraded as a music college with the name of S.R.V. (Sreerama Varma) Govt.  College Of Music And Performing Arts.

St Mary's Music School: St Mary's Music School is a music school in Scotland in Edinburgh, for boys and girls aged 9 to 19 and is also the Choir School of St Mary's Episcopal Cathedral.  The school, which is non-denominational, provides education for children with a special talent in music, and is Scotland's only full-time independent specialist music school.  In 2017 the school has 80 pupils from many different backgrounds and from all parts of Scotland, the rest of the UK and abroad - 49 day pupils and 31 boarders, plus one student on the school's Part-time Pathways to Specialism scheme.

Wells Cathedral School: Wells Cathedral School is a co-educational independent school located in Wells, Somerset, England.  The school is one of the five specialist musical schools for school-age children in the United Kingdom, along with Chetham's School of Music, the Yehudi Menuhin School, the Purcell School and St. Mary's Music School, Edinburgh.  The principal, Elizabeth Cairncross, is a member of the Headmasters' Conference.

Crisis at Central High: Crisis at Central High is a 1981 made-for-television movie about the Little Rock Integration Crisis of 1957, based on a draft of the memoir by the same name by former assistant principal Elizabeth Huckaby.

University High School of Science and Engineering: University High School of Science and Engineering (UHSSE) is a Science, Technology, Engineering, and Math magnet high school located in Hartford, Connecticut.  This public school was started in 2004, with a small body of faculty, headed by principal Elizabeth Colli, and a freshman class of one hundred students.

City of Edinburgh Music School: The City of Edinburgh Music School is a state-maintained music school in Scotland in Edinburgh, Scotland.  Founded as the Lothian Specialist Music School in 1980, it changed its name in 1996 when Lothian Regional Council was dissolved into four separate unitary councils.  It is a non-residential school, and because it is funded by the City of Edinburgh Council, it charges no fees.  Unlike residential music schools, pupils attend comprehensive schools for their academic classes: Flora Stevenson Primary and Broughton High School.

Supporting paragraphs: Wells Cathedral School Purcell School
Answer: a specialist music school for children