John Wesley on Deuteronomy 31:12

Together - Not in one place. But into divers assemblies or synagogues. Women who hereby are required to go to Jerusalem at this solemnity, as they were permitted to do in other solemnities. Children - Such of them as could understand, as appears from Neh 8:2,3, the pious Jews doubtless read it daily in their houses, and Moses of old time was read in the synagogues every sabbath day. But once in seven years, the law was thus to be read in public, to magnify it and make it honourable.