Filter the report on either the student's ID number (assuming their is one) or the student's name. Using the latter may be risky because it's possible to have two "John Smith"s in there. If you want to parameterize this (where you're prompted for the student's ID or name), just make a copy of your existing report, add a field called "StudentFilter" (or something else easily identifiable), place it in the form's header, and make it invisible. In the report's Record Source property, the source changes from:
"SELECT * FROM tblStudents"
(or whatever it is now) to:
"SELECT * FROM tblStudents WHERE StudentID = " & [StudentFilter];
If you're using the student's name or if the ID has alphanumeric characters in it, add single quotes to that, like this:
"SELECT * FROM tblStudents WHERE StudentID = '" & [StudentFilter] & "';"