1635 - John Cotton, a Puritan minister, establishes America's first public school, Boston Latin, with fewer than 10 students.
1852 - In Massachusetts, Horace Mann helps pass the first compulsory attendance law in the nation for children of elementary-school age. New York follows in 1853.
1857 - The National Education Association, the first national teachers group — and now the largest labor union in the United States — is founded. The Amercan Federation of Teachers follows in 1916.
1897 - The National Parent Teacher Association is founded. It now has about 5.5 million members, down from 12 million in the late 1960s.
1946 - The Richard B. Russell National School Lunch Act subsidizes low-cost or free lunches for qualified students.
1946 - The country's first organized teachers strike begins in St. Paul, Minnesota, in single- digit winter weather. More than 1,000 teachers picket in front of the 77 schools in the district for nearly six weeks. Many students join their teachers.
1954 - With Brown v. Board of Education of Topeka, the Supreme Court finds that "separate educational facilities are inherently unequal."
1965 - The Elementary and Secondary Education Act provides federal funds to expand educational opportunities for low-income students. It has been reauthorized since, including most recently as part of No Child Left Behind.
1968 - McCarver Elementary in Tacoma, Washington, becomes the nation's first magnet school, inviting students from anywhere in the city to enroll. This is seen as a way to end de facto segregation.
1970 - Test scores are reported to the government and the public for the first time and become a tool for measuring school performance.
1980 - Several federal offices are combined into the Department of Education.
1983 - A Nation at Risk, a federal report, indicates very low academic achievement and declining American test scores. It spurs most states to mandate curricula and more frequent testing.
1990 - Milwaukee is the first city to offer vouchers to its students to attend schools outside the traditional public-school system.
1991 - Boston's Thomas Menino becomes the first mayor to assume control over a public-school system. He appoints a seven-member committee, which then names a superintendent. Voters reaffirm mayoral control in 1996.
1992 - The nation's first charter school, City Academy in St. Paul, Minnesota, opens with roughly 40 students in attendance.
2002 - George W. Bush signs the No Child Left Behind Act, with goals of increasing parental choice and accountability for states and schools.
2007 - On June 1, President Bush signs legislation that hands control of Washington's public schools to Mayor Adrian Fenty. The following week, Fenty appoints Michelle Rhee to head the D.C. schools.
A version of this article appeared in the September 2008 issue of Fast Company magazine.