Research on educational equity is about the right of education and the guarantee system of its implementation and the review on the above mentioned two issues. Among the researches, the major one foeuses on the right of being educated, espeeially the equal opportunity of education. Further more, it goes to the research on the guarantee system of the equal educational right and opportunity, or the equity of the distribution of edueational resources. Finally it touches on the review of the equal educational right and opportunity and its guarantee system, or the measurement of the equity of educa...