(ordered by popularity)
higher
public
secondary
formal
physical
primary
general
special
religious
elementary
early
liberal
vocational
medical
american
free
moral
compulsory
technical
further
bilingual
professional
basic
universal
adult
modern
popular
english
patient
better
classical
christian
female
industrial
multicultural
western
legal
secular
agricultural
environmental
progressive
musical
scientific
academic
tertiary
advanced
theological
civic
undergraduate
postsecondary
based
rural
excellent
literary
service
thorough
time
graduate
sound
adequate
comparative
mass
superior
informal
compensatory
dental
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