21stCenturyLessons builds some of the best free lessons on the Internet. Visit www.21stcenturylessons.org for links to our content, the full scope and sequence of our units, or to get more information about us.
21stCenturyLessons is an OER collaborative started by a group of teachers in the Boston Public Schools with the help and support of the Boston Teachers Union and the AFT Innovation Fund. Since 2011 we have created 160+ lessons here on ShareMyLesson. Our lessons are created by teams of expert teachers who still work in the classroom, and each comes with everything a teacher needs to deliver a great lesson.