Retrive data from database depends on a html table format

I have this table in a database

stid term subjects score
1 Term 1 English 70
1 Term 1 Math 80
1 Term 1 Science 98
1 Terminal English 85
1 Terminal Math 90
1 Terminal Science 100

I need to retrive data to display like this in a html table

SUBJECT TERM ONE TERMINAL AVERAGE
English 70 85 112.5
Math 70 85 85
Science 98 100 99

I’m new in SQL Queries I tried alot to run different sql command but i did not succeeded. I need your help.

my last query was this:

SELECT DISTINCT(subject),score FROM `examresults` WHERE stid='STD-1' GROUP BY subject,term