id	keyword
epaa-5362	teacher quality
epaa-5362	sector
epaa-5362	public
epaa-5362	teachers
epaa-5362	school
epaa-5362	education
epaa-5362	level
epaa-5362	distribution
epaa-5362	time
epaa-5362	variation
epaa-5362	experience
epaa-5362	mean
epaa-5362	differences
epaa-5362	rotation
epaa-5362	japanese
epaa-5362	student
epaa-5362	tests
epaa-5362	analysis
epaa-5362	years
epaa-5362	data
epaa-5362	teaching
epaa-5362	achievement
epaa-5362	system
epaa-5362	variable
epaa-5362	teacher rotation
epaa-5362	school teachers