Possible Clues:

• Raised student with half 19 collecting strange paintings outside college
• Former transport to university runs by a line outside city limits
• University department needs further painting
• Real tax changes covering drink upset outside the walls
• Run miles by river outside of town
• Picture on the wall that's not needed outside the school
• Not in the normal course of study
• Not on course, but making another painting
• Former cargo ship docked by Russian river outside city walls
• Additional artwork not done on campus