Then Kenney learned that the deal, the biggest in the company pipeline, could not be booked under generally accepted accounting principles until a contingency--school board approval--was met.
Between a six-day rotation and nearly a dozen types of timetables, the administrators could accommodate any contingency that might arise during the school year.
In a statement head teacher Judith Potts said the school had apologised to students and "contingency plans" had been put in place when the mistake over chemistry and biology assessments was realised.