So I'm reading this paragraph from the Rulebook wrong then:
"Some spells belong to multiple schools. For
example, the Lightning Raptor is Level 1 Arcane +
Level 1 Air. The Wizard will pay 2 spellpoints for
this spell because he is trained in both schools.
If he was trained only in Arcane, but not in Air
magic, the spell would cost him 3 spellpoints.
The Beastmaster, who is not trained in either
school, pays 4 spellpoints for a Lightning Raptor. "
From what I can gather, the Priestess would have to pay 3 SP for the Monk, 1 for Level 1 Holy and 2 for Level 1 Mind.
??