2014: President Obama recognizes Washington Heights Expeditionary Learning School student Estiven Rodriquez in his State of the Union Address.

2014: Expeditionary Learning’s network comprises 165 schools in 33 states, serving 4000 teachers and 53,000 students.

2014: Expeditionary Learning’s open-source Grades 3-8 English Language Arts curriculum is downloaded more than 2 million times and receives the highest ratings by EQuiP (Educators Evaluating the Quality of Instructional Products) and the State of Connecticut. 

2014: Expeditionary Learning makes its signature practices available through the release of its book Leaders of Their Own Learning: Transforming Schools Through Student-Engaged AssessmentTwenty-seven teachers contributed to the book, which includes case studies and classroom videos of the practices in action.

2014: Three Expeditionary Learning teachers are named Teachers of the Year and celebrated at the White House by President Obama.

2013: In a statistically significant study, Mathematica Policy Research finds that Expeditionary Learning middle school students gain an extra 10 months of learning growth in math and seven months of extra learning growth in reading after three years.

2013: Expeditionary Learning is awarded a $12 million Investing in Innovation grant from the federal government to demonstrate a model of professional learning for teachers that is scalable across the country.

2013: New York City recommends Expeditionary Learning’s English Language Arts curriculum for selection by principals across the city in Grades 3-8.  

2012: Expeditionary Learning launches the Center for Student Work, the world's largest online, open-source collection of exemplary student work. 

2012: New York State commissions Expeditionary Learning to develop a model Common Core-aligned curriculum for English Language Arts and Literacy for Grades 3-8.

2011: Expeditionary Learning launches EL Commons, using technology to support collaboration and best practice sharing across its school network. 

2010: Ten EL high schools achieve 100% college acceptance.

2010: U.S. Secretary of Education Arne Duncan visits King Middle School in Portland, ME.

2009: President Barack Obama visits Capital City Public Charter School in Washington, D.C.

2004: Expeditionary Learning partners with districts and charter boards to open new small high schools with funding by the Bill & Melinda Gates Foundation.

2001, 2002: American Youth Policy Forum and National Staff Development Council give Expeditionary Learning the highest ratings for service learning and professional development quality.

1999: Expeditionary Learning expands into literacy instruction, working with Public Education & Business Coalition and other national experts.

1998: RAND Corporation study shows significantly high levels of implementation in EL schools.

1993: Ten Expeditionary Learning demonstration schools open in New York, Boston, Portland (ME), Denver, and Dubuque.

1991: New American Schools Development Corporation provides a grant to create Expeditionary Learning. Outward Bound and the Harvard Graduate School of Education collaborate on the winning proposal, with input from organizations including Facing History and Ourselves, Project Adventure and the Technical Education Research Center.