A DESCRIPTIVE REPORT OF THE CONDUCT OR STATUS OF CONCURRENT WORK-EDUCATION PROGRAMS IN EACH OF THE 50 STATES IS PRESENTED. DATA ARE REPORTED FOR TWO DISTINCT PROGRAMS--(1) COOPERATIVE EDUCATION, A PROGRAM IN WHICH THE STUDENTS WORK PART-TIME AND STUDY IN A FORMAL CLASSROOM SETTING PART-TIME, AND (2) WORK-STUDY, A PROGRAM IN WHICH STUDENTS IN VOCATIONAL PROGRAMS, WHO HAVE NEED OF FINANCIAL ASSISTANCE IN ORDER TO REMAIN IN SCHOOL, ARE PLACED IN PUBLIC AGENCIES, MAINLY THE LOCAL SCHOOL. DATA WERE OBTAINED FROM EACH OF THE 50 STATE DEPARTMENT OF EDUCATION OFFICES VIA PERSONAL VISITS AND FROM A SAMPLE OF INDIVIDUAL SCHOOL DISTRICTS VIA MAILED QUESTIONNAIRES. OF 1,836 QUESTIONNAIRES SENT TO A RANDOM SAMPLE OF 1,757 HIGH SCHOOLS AND 88 POST-HIGH SCHOOLS IN THE UNITED STATES, 1,535 WERE RETURNED. APPROXIMATELY 18,000 HIGH SCHOOLS OFFERED GRADES 10, 11, AND 12 IN THE UNITED STATES DURING 1965-66. OF THESE, 2,509 HAD A WORK-STUDY OFFERING AND 3,333 HAD COOPERATIVE-EDUCATION PROGRAMS. THERE WERE 44,817 HIGH SCHOOL STUDENTS AND 7,418 POST-HIGH SCHOOL STUDENTS ENROLLED IN WORK-STUDY PROGRAMS, AND 117,035 HIGH SCHOOL STUDENTS AND 4,243 POST-HIGH SCHOOL STUDENTS ENROLLED IN COOPERATIVE-EDUCATION PROGRAMS. CORRELATIONS WERE COMPUTED BETWEEN ENROLLMENTS IN THE PROGRAMS AND SELECTED DEMOGRAPHIC, ECONOMIC, AND ORGANIZATIONAL VARIABLES RELATED TO THE INDIVIDUAL SCHOOLS. ENROLLMENTS BY STATES AND VOCATIONAL EDUCATION AREAS AND EXPENDITURES BY STATES ARE INCLUDED. (PS)