GM   Claremont Academy, garden paths September 16th, Monday, 10.15AM   The brief, terse letter each of the teen heroes had been given after morning classes led them there at the crossroads, to wait for a meeting with the dour Edme Dupont, one of the rotating Ethics and Superhuman Law teachers who had an uncanny gift for knowing exactly what topics to emphasize for maximum effect.   'Student,' they ran 'you and four others have been selected for the chance to perform an extracurricular exe