Visual Basic Parsing code from text file

Revision 1
Hey!

I need help understanding how to write the code to parse this data (below) from a .txt file and store them as variables

Kim,83,Junior
Jake,76,Senior
Erin,98,Senior
Ronald,69,Senior
Jim,83,Freshman
Kate,91,Sophomore
Steve,64,Freshman
Julie,89,Junior
Mark,75,Senior
Paul,81,Senior
Mike,56,Freshman
Meghan,97,Junior
Jason,67,Sophomore
Ling,88,Senior
Lori,70,Freshman

I believe that I have to use some of this code?

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim sr As IO.StreamReader = IO.File.OpenText("input.txt")
Dim strinput As String


but am not sure what else to do. Thank you!