Those who stay on will then receive two subsequent payments of # 5,000 in the third and fifth year of their teaching careers. (schoolsweek.co.uk)
Applying the excess amount to principle will reduce the loan balance and as such the interest you pay with subsequent payments over the life of the loan. (money.stackexchange.com)
The payment plan divides it up into 5 equal installments so you pay 20 % on the initial order and then 4 subsequent payments thereafter. (goodereader.com)