This fourth edition of the "ES Review" brings together, in one setting, some of the best work from 2009-10. It features: (1) Teacher Quality (Teachers at Work: Improving Teacher Quality Through School Design (Elena Silva); Understanding Teachers Contracts (Andrew J. Rotherham); How Teachers Unions Lost the Media (Richard Whitmire and Andrew J. Rotherham); and Better Benefits: Reforming Teacher Pensions for a Changing Work Force (Chad Aldeman and Andrew J. Rotherham); (2) Accountability (Restructuring "Restructuring": Improving Interventions for Low-Performing Schools and Districts (Robert Manwaring); College- and Career-Ready: Using Outcomes Data to Hold High Schools Accountable for Student Success (Chad Aldeman); Tomorrow's Tests (Elena Silva and Bill Tucker); and Is Data the Cure-All? (Bill Tucker); (3) Educational Choice (Growing Pains: Scaling Up the Nation's Best Charter Schools; Matchmaking: Enabling Mandatory Public School Choice in New York and Boston (Chad Aldeman and Thomas Toch); Tough Luck: A Review of the Film "The Lottery" (Chad Aldeman and Erin Dillon); and Designing Smart Charter School Caps (Erin Dillon); (4) Higher Education (Lowering Student Loan Default Rates (Erin Dillon and Robin V. Smiles); False Fronts? Behind Higher Education's Voluntary System of Accountability (Chad Aldeman and Andrew P. Kelly); The Course of Innovation: Using Technology to Transform Higher Education (Ben Miller); College for $99 a Month (Kevin Carey); NCAA Should Bar Low Graduation Rate Schools From March Madness (Ben Miller); Community Colleges: To Thine Own Self Be True (Kevin Carey); and The "Veritas" About Harvard (Kevin Carey); (5) Best of the Blog (Engaging Elephants in Reform (Elena Silva); Read What You Love (Kevin Carey); Time to Retire These Higher Ed Stats (Ben Miller); Three Schools Spared, 4,997 To Go-Addressing Teacher Seniority (Robert Manwaring); We Need a "GED" for College Students (Chad Aldeman); and (6) Also from Education Sector (Reports: Rising to the Challenge: Hispanic College Graduation Rates as a National Priority (March 2010) (Kevin Carey, Andrew P. Kelly, and Mark Schneider); Explainers: The 411 on Cohort Default Rates (February 2010) (Ben Miller); Moving Targets: What It Now Means to Make Adequate Yearly Progress Under NCLB (September 2009) (Erin Dillon); Events: A New Era in Higher Education Reform (September 2009); College- and Career-Ready Students: How Can We Tell? (March 2010); Improving Student Success: What the Higher Education Community Can Learn From Minority-Serving Institutions (April 2010); Finding the Link: Teacher Evaluation and Professional Development (June 2010); Online Discussions: School Choice a la Carte (October 2009); Exploring Human Capital Issues in Successful School Turnarounds (May 2010); and Video Clips: Experts Discuss Virtual Schooling (June 2010)). Figures are included by individual selection. [Additional support provided by the CityBridge Foundation and Rodel Foundation of Delaware. For the third edition, see ED512290.]