A newly state-approved accrediting agency for yeshivas is facing blowback from skeptics who worry it’ll be used to bypass quality checks such as school visits or standardized tests. Merkos L’Inyonei Chinuch, the educational branch of the Chabad-Lubavitch movement, runs one of eight accreditors selected by the Education Departmentto authorize private and religious schools in New York. Schools that receive the green light from an accrediting agency don’t have to submit to local reviews or otherwise prove they’re teaching subjects like reading or math. But a yeshiva reform advocacy group says it’…