Ujm, the gedolei Yisrael don’t approve of girls learning halacha? Sheker gamur.
Avira, so the GRA isn’t mesorah? He says that every boy must know all of tanach and be able to remember all of chumash b’al peh. The Rambam in hilchos talmud Torah, says that everyone must know all of mikra and dedicate a third of his limud to study mikra (unless he’s already a baki in all of Torah)