Scudamore's Student Punt Scheme http://www.scudamores.com/student-punt-scheme
Extra discounts for students who are at a college enrolled in the scheme. Colleges include: Cambridge Theological Federation, Christ's, Churchill, Clare Hall, Corpus Christi, Downing, Emmanuel, Fitzwilliam, Girton, Homerton, Hughes Hall, Murray Edwards, Newnham, Pembroke, Peterhouse, Robinson, Selwyn, Sidney Sussex, St. Catharine's and Wolfson.
Towards Grantchester Single kayaks £7 per hour or £25 per day Punts, canoes and rowboats £11 per hour or £45 per day Double kayaks £11 per hour or £40 per day The College Backs Punts £11 per hour
Scudamore's Hourly Boat Hire (Non Punt Scheme) http://www.scudamores.com/hourly-punt-hire
Online discounted electronic tickets, valid for 6 months from purchase and usable on a walkup basis either along the College Backs or out towards Grantchester.
Scudamore's Punting Company Daily Boat Hire http://www.scudamores.com/punt-hire
Discounted for longer jouneys out towards Grantchester meadows and afternoon frolics. Choose from a range of punts, kayaks, rowboats and Canadian canoes.
Granta hire: http://www.puntingincambridge.com/Self.htm
Hiring from your own college tends to be a lot cheaper if you can do it.