March 1970 
The Master's School is established as a Christian educational alternative under the direction of the Center for Renewal, Inc.
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May 1970
The first Headmaster, Ralph T. Mattson, is appointed by the Board of Trustees.
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September 1970 
The Master's School opens for grades K-3 and 8-9 at the Old South School in Simsbury with 52 students and 17 staff members.
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December 1972 
The Lower School moves into another location in Simsbury, now the Center for Renewal.
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June 1973
The first class of seniors graduates.
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September 1973
Kindergarten and Early Kindergarten combine with the Nursery School at Covenant Presbyterian Church to become the Early Childhood Center.
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December 1976
The Master's School receives full accreditation from the New England Association of Schools and Colleges.
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September 1977
The first Early Childhood Center satellite nursery opens in Unionville.
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May 1979
The second Headmaster, Dr. J. Stanley Mattson, is appointed by the Board of Trustees.
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August 1980 
Grades 1-12 are united on our 225 acre campus on Westledge Road in West Simsbury.
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July 1983
The third Headmaster, Don W. Steele, is appointed by the Board of Trustees.
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July 1984 
The purchase of the Westledge Road campus including nine buildings is completed.
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June 1986 
The Master's School entered its second decade of full accreditation by NEASC.
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January 1989 
The newly-constructed gymnasium was dedicated.
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November 1990 
The centralized library located in the Campus Center was dedicated.
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September 1996
The Master's School relocated the Early Kindergarten and Kindergarten, part of the ECC program at New Life in Christ Fellowship on Firetown Road.
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December 1996 
The Master's School entered its third decade of full accreditation by NEASC.
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September 1997
New classrooms are built that connect the locker rooms and gymnasium to accommodate increased enrollment in the Upper School.
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1999
Sale of land to Simsbury Land Trust, bringing us to 151 acres.
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June 2000 
The new Dining Hall which included a complete kitchen is constructed. Campus now has 10 buildings.
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September 2004
The fourth headmaster, Bruce Libonn, is appointed by the Board of Trustees as interim.
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July 2005
The fifth headmaster, Rick Burslem, is appointed by the Board of Trustees.
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September 2005 
The New Lower School Building opens with 10,000 square feet of new classroom, office and community space. Campus now has 11 buildings.
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November 2006
The Master's School entered the fourth decade of full accreditation by NEASC.
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January 8, 2007
The school received an anonymous gift of $2.78 million. Mortgage and line of credit were paid in full. Additional funds were given to complete the Lower School.
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March 2007
Sale of 75 acres to Simsbury Land Trust, bringing the campus to 76 acres. A "partnership" is established.
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September 2007
The Lower School building is completed, adding 4000 square feet which included a science lab.
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April 2008
The sixth headmaster, Jon F. Holley, is appointed by the Board of Trustees.
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2009-2010 School Year 
The Master's School celebrates 40 years of commitment to the integration of faith and learning within the framework of a Christian worldview.
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June 2012
The seventh headmaster, Brian Meek, is appointed by the Board of Trustees.
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