On May 4, 2018, MHS announced that it would cease operations and liquidate its properties at the end of the 2017-18 academic year due to financial difficulties.

IB certificates mark the successful culmination of an area of study for students, and are an achievement in themselves.

Now the Science and Mathematics building, Lillard Hall was originally the private residence of Dr. Gordon Morrill.

[5] The Federalist style building was designed in 1910 by renowned architect Charles F. Schweinfurth, who designed homes on Cleveland’s Millionaire's Row, the Old Stone Church, Trinity Cathedral, the Union Club, Cuyahoga County Courthouse, and the stone bridges along Martin Luther King, Jr.

The building was converted to house classrooms, offices, music rooms, and libraries shortly after it was acquired by MHS in 2007.

The two-car garage that sits behind Lillard Hall was also converted, and functioned as the school's self-sustaining science laboratory and greenhouse.

Though MHS is not affiliated with the Quakers, the space had been used to house community meeting, student art galleries, and offices.

These individuals worked in concert with a national movement to expand Montessori education at the middle and high school level.

In 2009, a third house was added on the south side of Magnolia to accommodate steadily expanding enrollment.

According to an article in the Arizona Republic, "[Superintendent Kenneth Baca] is looking at Montessori High School at University Circle in Cleveland as a model for ideas, and he hopes to take district staff, a school-board member and interested community members to visit the school in the fall.