Bachelor's degree A degree granted for the successful completion of at least 4 years (or the equivalent) of full-time college-level study. This term includes degrees granted in a cooperative or work-study program. Elementary and secondary schools Includes only regular schools, that is, schools that are part of state and local school systems and also most private elementary and secondary schools, both religiously affiliated and nonsectarian. Enrollment The number of students registered in a given school unit at a given time, generally in the fall of a year. Master's degree A degree awarded for successful completion of a program generally requiring 1 or 2 years of full-time college-level study beyond the bachelor's degree. Secondary school A school including any span of grades beginning with the next grade following an elementary or middle school (usually 7, 8, or 9) and ending with or below grade 12. Both junior high schools and senior high schools are included. Secondary instructional level The general level of instruction provided for pupils in secondary schools (generally covering grades 7 through 12 or 9 through 12) and any instruction of a comparable nature and difficulty provided for adults and youth beyond the age of compulsory school Full-time worker In educational institutions, an employee whose position requires being on the job on school days throughout the school year at least the number of hours the schools are in session; for higher education, a member of an educational institution's staff who i Part-time enrollment The number of students enrolled in higher education courses with a total credit load of less than 75 percent of the normal full-time credit load. Student An individual for whom instruction is provided in an educational program under the jurisdiction of a school, school system, or other educational institution. Public school or institution A school or institution controlled and operated by publicly elected or appointed officials and generally deriving its primary support from public funds.