professionally reading for lit students

hi so im studying literature in my secondary exams and i wanted like advice cus in r/igcse i cant find any good tips so i wanted to ask you guys
im studying pride and prejudice
then some poetry
then the play 'the princess and the hustler'

does anyone know how to read like well to grasp the themes and motifs and undertstand everything like on your fingertips...
i have read p&p like 3 times now and princess like 1 time..planning to read it again

some help would be really useful thanks <3