a person who pays too much attention to unimportant rules, e.g. in language

formalist

a person who knows a great deal about a subject

person who is authority

a child at school

person who is learning something

a person who reads, especially one who spends much time in reading; a senior lecturer

one who reads habitually

a boy or girl at school; a student who is awarded money or other help so that he or she can attend a university, college etc

person who is very involved in education and learning

enjoying and wanting to study; very careful

scholarly, attentive