This report, the 20th edition of "Technology Counts," examines how schools are tackling tech training for teachers, "passive" vs. "active" use of digital tools, and online learning needs. Contents include: (1) Tracking 20 Years of Change in Ed Tech (Kevin C. Bushweller); (2) Poor Students Face Digital Divide in How Teachers Learn to Use Tech (Benjamin Herold); (3) The Future of Classroom Technology: 5 Experts Weigh In (Michelle R. Davis); (4) Data Dive: Devices and Software Flooding into Classrooms; (5) Will Online Tools Make Texas Instruments' Graphing Calculators Obsolete? (Liana Loewus); (6) What Will Trump's FCC Mean for America's Schools? (Benjamin Herold); (7) Google Docs Fuels Shift to Collaborative Classroom Writing (Michelle R. Davis); (8) Projectors Face New Classroom Competition (Tam Harbert); (9) Science Learning No Longer Bound by Limits of School Laboratories (Michelle R. Davis); (10) Social Studies Relies on Tech Tools That Are Not Tailored to the Subject (Michelle R. Davis); (11) "Course-Choice" Efforts Grow to Give Students More Options (Robin L. Flanigan); (12) Online Classes for K-12 Schools: What You Need to Know (Benjamin Herold); (13) State Data: How Do Students Actually Use Classroom Computers?; and (14) Data: How Does Teacher Tech Training Compare Across States?