yo — I.
tú — you (informal)
él/ella/usted — he/she/you (formal)
nosotros/nosotras — we.
vosotros/vosotras — you all (informal)
ellos/ellas/ustedes — them / you all (formal)
I hope this is helpful lol have fun next year in Spanish 3, I'm going into 9th also and doing Spanish also