If their scientific studies are in line with actual reality, just in a bit primitive state she'd be better off not dismissing them just like that. If she just sent him back with a letter saying that she'd accept to set up a school in about a year's time with funding with the caviat that she'd be able to review the subjects before and that this guy would not teach there or have any relationship with it, she'd be able to start establishing a basic education once she grew the village.