01549cam a2200385 a 4500 271621 271621 15237752 pucpr 20180612140441.0 180612s2008 vaua b 001 0 eng 2008014293 9781416607083 (pbk. : alk. paper) DLC DLC DLC spa rda n-us--- evl LB3061.8 .B87 2008 23 371.254 C7893d Burris, Carol Corbett. Detracking for excellence and equity / Carol Corbett Burris, Delia T. Garrity. Alexandria, Va. : Association for Supervision and Curriculum Development, ©2008 ix, 180 pages : illustrations ; 23 cm. rdacontent txt rdamedia n rdacarrier nc Includes bibliographical references (p. 166-170) and index. Track system (Education) United States. Ability grouping in education United States. Slow learning children Education United States. Academic achievement United States. Educational equalization United States. Garrity, Delia T. Table of contents only http://www.loc.gov/catdir/toc/ecip0815/2008014293.html 7 cbc orignew 1 ecip 20 y-gencatlg ddc 6 23 371.254 0 0 ddc 0 0 10 10 1 2018-06-12 donación 0 371.254 C7893d 80000002605692 2018-06-12 00:00:00 10.00 2018-06-12 6