00706nas 2200169z- 450 991013331770332120170227170237.0(CKB)3390000000046133(EXLCZ)99339000000004613320140126cuuuuuuuu -u- -engCharacteristics of the 25 most populous cities' school systems and the 25 largest public elementary and secondary school districtsU.S. Dept. of Education, Office of Educational Research and ImprovementJOURNAL9910133317703321Characteristics of the 25 most populous cities' school systems and the 25 largest public elementary and secondary school districts2112981UNINA