The National Human Rights Commission had a question on the discrimination issue under the constitution section 27, 29, 30, 44, 64, 81(2) and 84 (7) of the Supreme Court judgement regarding Private School Act, B.E. 2550, section 86. In conclusion, the Supreme Court Judgement is constitutional according to the proportionality and necessity principle.
http://www.constitutionalcourt.or.th/occ_web/download/article/file_import/center-law34_54.pdf