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Specialties
Test prep for the entrance exam (SHSAT) for NYC’s specialized high schools
History
Established in 1981.
Formerly GRF Tutoring Service and now GRF Test Prep Classes.
Barry Feldman and Ken Rosenstein have been with the business since 1981.
Meet the Business Owner
Barry F.
Business Owner
GRF’s owners are Barry Feldman, Ken Rosenstein, and Jeff Feldman.
Barry Feldman has a Masters Degree in Mathematics. Ken Rosenstein has a Masters Degree in English. Jeff Feldman has a Masters Degree in English and a Masters Degree in Counseling.