New City School has 40 full-time and five part-time faculty members, In 1966, the Barat Hall and City House schools in the Central West End neighborhood were closed.

In 1981, Tom Hoerr, a principal from University City, Missouri, became Head of School.

The faculty begins to pursue implementing multiple intelligences (MI) in 1988.

The faculty wrote two books, In 1992, New City School launched a $1,200,000 capital campaign.

In 1993, the school created the Financial Aid Endowment Fund ($3,422,000 as of July 2013).

In 1998, New City School renovated the theater and renamed it Founders Hall.

In 2001, News City School opened its Centennial Garden on the playground.

New City School has 40 full-time and five part-time faculty members, including classroom teachers and specialists in science, library, Spanish, art, movement and music, performing arts, physical education and technology, in addition to a learning specialist and school counselor.