Here is the NEA's take on this.

http://www.nea.org/tools/30414.htm

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Social justice refers to a concept in which equity or justice is achieved in every aspect of society rather than in only some aspects or for some people. A world organized around social justice principles affords individuals and groups fair treatment as well as an impartial share or distribution of the advantages and disadvantages within a society.

Some thoughts from Oz:

http://ehlt.flinders.edu.au/education/iej/articles/v5n5/schulz/paper.pdf

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It explores history, arguing that gifted education, despite prevailing claims to inclusivity, sustains competition and individualism and subverts the social function of education.

A question about the Justness of GT education.

http://www.philosophy-of-education.org/conferences/pdfs/Richard_Bailey.pdf


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Luck is a matter of particular interest to
social justice theorists, who often frame their discussions specifically in terms of its neutralisation.

This paper argues that G&T education cannot be justified in terms of social justice � at least the version of social justice advocated by many of the leading theorists � because it results in the opposite outcome than would be desired � luck is exaggerated.

Isn't it comforting to know that high ability is just "luck" and "luck" is to be "neutralised?"