secondary education(n = noun.act) - education beyond the elementary grades; provided by a high school or college preparatory school;
is a kind of didactics, education, educational activity, instruction, pedagogy, teaching

N  teaching, instruction, edification, education, tuition, tutorage, tutelage, direction, guidance, opsimathy, qualification, preparation, training, schooling, discipline, excitation, drill, practice, book exercise, persuasion, proselytism, propagandism, propaganda, indoctrination, inculcation, inoculation, advise, explanation, lesson, lecture, sermon, apologue, parable, discourse, prolection, preachment, chalk talk, Chautauqua, exercise, task, curriculum, course, course of study, grammar, three R's, initiation, A, B, C, elementary education, primary education, secondary education, technical education, college education, collegiate education, military education, university education, liberal education, classical education, religious education, denominational education, moral education, secular education, propaedeutics, moral tuition, gymnastics, calisthenics, physical drill, physical education, sloyd, phonics, rote, rote memorization, brute memory, cooperative learning, Montessori method, ungraded classes, test, examination, exam, final exam, mid-term exam grade, score, marks, A, B, C, D, E, F, gentleman's C, pass, fail, incomplete, homework, take-home lesson, exercise for the student, theme, project, teaching, taught, educational, scholastic, academic, doctrinal, disciplinal, instructive, instructional, didactic, propaedeutic, propaedeutical, the schoolmaster abroad, a bovi majori disscit arare minor, adeo in teneris consuecere multum est, docendo discimus, quaenocent docent, qui docet discit, sermons in stones and good in everything.

adult education, board of education, continuing education, department of education, department of health education and welfare, doctor of education, education, education department, education secretary, elementary education, higher education, master of education, physical education, secondary, secondary amenorrhea, secondary cell, secondary censorship, secondary coil, secondary dentition, secondary diagonal, secondary dysmenorrhea, secondary emission, secondary hypertension, secondary modern school, secondary school, secondary sex character, secondary sex characteristic, secondary sexual characteristic, secondary storage, secondary syphilis, secondary winding, secretary of education, secretary of health education and welfare, special education, vocational education