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With fully developed internal economies, Lancaster schools provided a grammar-school education for a cost per student near $ 40 per year in 1999 U. S. dollars.
The students were very clever at reducing their costs, and once invented, improvements were widely adopted in a school.
For example, Lancaster students, motivated to save scrip, ultimately rented individual pages of textbooks from the school library, and read them in groups around music stands to reduce textbook costs.
Exchanges of tutoring, and using receipts from " down tutoring " to pay.

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