00914cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040002000111042001200131050002300143051001700166082001100183100002400194245005000218260007100268300002200339410006000361501016100421650001600582650003300598999001700631e 49000025 DLC20260227111233.0761025s1949 dcu f000 0 eng  ae 49000025  a(OCoLC)2528216 aDLCcNhPlSdDLC apremarc00aL111b.A72 no. 306 aLB3013b.T62 a371.251 aTompkins, Ellsworth10aLarge and small classes in secondary schools. a[Washington]bFederal Security Agency, Office of Educationc[1949] aiv, 30 p.c26 cm.10aUnited States.bOffice of Education.tCircularvno. 306 aL111.A72 with: How large are our public high schools? / Walter H. Gaumnitz. Washington : U.S. Govt. Print. Off., 1949. Bound subsequent to publication.5DLC 0aClass size. 0aHigh schoolszUnited States. c22100d22100