Exposure to Poor and Minority Schoolmates, by Race, U. S Exposure to Poor and Minority Schoolmates, by Race, U.S. Metropolitan Areas, 2009–2012. Exposure to Poor and Minority Schoolmates, by Race, U.S. Metropolitan Areas, 2009–2012 Sean F. Reardon rsf 2016;2:34-57 Copyright © 2016 by Russell Sage Foundation. All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Reproduction by the United States Government in whole or in part is permitted for any purpose. The research described here was supported by grants from the Institute of Education Sciences (R305D110018) and the Spencer Foundation (201500058). The paper would not have been possible without the assistance of Ross Santy, who facilitated access to the data. This paper benefited substantially from ongoing collaboration with Andrew Ho, Demetra Kalogrides, and Kenneth Shores. Some of the data used in this paper were provided by the National Center for Education Statistics (NCES). The opinions expressed here are my own and do not represent the views of NCES, the Institute of Education Sciences, the Spencer Foundation, or the U.S. Department of Education. Direct correspondence to: Sean F. Reardon at sean.reardon@stanford.edu, 520 CERAS Building, no. 526, Stanford University, Stanford, CA 94305.