The Importance of Kindergarden Classes (VIDEO) U.S. National Science Foundation This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Harvard University economist John Friedman says the impact of increasing kindergarten teacher experience looks really big for students long-term success. He says the study should highlight for policymakers the importance of kindergarten classes for students in all demographics. Credit National Science Foundation Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.