Possible Clues:

• Writes 14 across for Lord following disciples
• One providing lessons in building chalets, rooms
• The classroom is untidy -- and he's responsible
• Gave out 12 across in the past to one at the top of the class
• He organises room with satchels scattered
• The classroom in turmoil? His respons­ibility!
• Teaches to fish with tall upright pole on fair amount of the pier
• He upsets some scholar about the beginning of term
• Teaches to fish with tall upright pole, the couple at end of pier
• Might one organise the classroom?