Founded by W. M. Lewis, Headmaster, Lake Forest Academy under the name of "North Central Academic Association" - 18 member schools.

Name changed to "Private Schools Association of the Central States." Early membership dominated by Boarding and Military Schools. Growth of the Country Day School Movement (1910-1970).

Name changed to "Independent Schools Association of the Central States." Beginning of "The Teachers Council" as a professional arm of ISACS.

Development of mandatory evaluation program - Henderson (Blake), Schwartz (Pembroke CDS), and Seyfert (Milwaukee CDS). 1st part-time Executive Secretary - E. W. "Tuck" Tucker, retired from Kemper Military Academy.

"BULLETIN" began, edited by Bob Reichley, Culver Director of Publications.

The Teachers Council formalized its operations, developed By-laws. Decision to establish C. O. at Culver, Donald Griffin becomes half-time Executive Secretary. The "Culver Era" (1965-1970).

ISACS incorporated not-for-profit in Indiana, boundaries compressed. ISACS "Green Book" (evaluation guide for elementary schools) developed, and revised in 1972.

Merger with Teachers Council to form one ISACS, an association of schools and no longer of individuals, new By-laws, mandate that 1/3 of the Board consist of Heads of schools and 1/3 consist of teachers.

Central Office moved to Avery Coonley School, Terry Taylor hired 3/71

1st full-time President, James Henderson, takes office on 7/1/71.

1st "Evaluation Guide" published.

President Henderson retired, replaced by Thomas Read.

"MAGAZINE" discontinued, office staff restructured, and 1st part-time Director of Professional Development hired, Dr. Sally K. Boese. First Fall Conference to be co-sponsored by ISACS and a state/local association (AIMS, Detroit).

Conclave I convened by ISACS for state/local associations to explore association roles and collaboration (4/86).

1st "Manual for Visiting Team Leaders" published.

ISACS evaluation/accreditation program recognized through the NAIS Umbrella Recognition Program. Conclave II convened by ISACS for state/local associations to review collaborative role of associations in professional development (9/90).

Retirement of President Read announced (effective 6/30/93) and search for successor initiated. Standards of Membership revised, concordance with "Rose Sheet" achieved

All Evaluation Materials revised

Patrick F. Bassett begins term as president.

Development of ISACS Evaluation Manual for School Self-Study. ISACS opens Multicultural Alliance Midwest Office. Development of ISACS school operations statistics.

Development of ISACS Survey. Hiring of Frances Moore-Bond as first ISACS Director of Diversity Services.

Publication of ISACS Evaluation Guide (inclusive of all ISACS evaluation guides and instruments). ISACS establishes presence on the World Wide Web.

Hiring of David Jones as director of Accreditation Services and Peter Hahn, Multicultural Alliance fellow administrative assistant.

Hiring of Monique Williams, Multicultural Alliance fellow, as ISACS Diversity Coordinator and webmaster. NAIS/ISACS Pilot Program on Statistics undertaken.

ISACS spearheads national public opinion survey on independent schools, in collaboration with NAIS and OAIS. ISACS commissions psychometric testing on heads of school and master teachers.

ISACS experiments with outsourcing association management to St. Louis firm after closing of Downer’s Grove office.

ISACS consolidates once again in a central office; inauguration of Leaders and Learners Institute in collaboration with University of Chicago; web page reconstructed and modernized; strategic plan for smaller annual conference is implemented.

Rick Belding begins term as ISACS President.