Which answer matches this clue: the elite graduate school in Pisa founded by Napoleonic decree in 1810?

• A Scuola Superiore Sant'Anna
• B Scuola Normale Superiore ✓
• C Collegio Borromeo
• D Istituto Universitario di Studi Superiori

The Scuola Normale Superiore was modelled on the French École Normale Supérieure; admission is by competitive examination and tuition is free.