Intelligence based max_grades added back

locations/stat.qsrc

@@ -1150,6 +1150,14 @@ else
 	pornstar['icon'] = 0
 end
 
+!!-------------------------School grades and other checks----------------------
+
+!! Having this for just the mornings means it is not always correct.
+func('_difficulty','getmaxgrades')		
+ 
+if pcs_grades > max_grades: pcs_grades = max_grades
+
+if pcs_grades < 0: pcs_grades = 0
 
 --- stat ---------------------------------