RCW 58.28.400: Lands for school and public purposes—Expenses as charge against fund.

All school lots or parcels of land reserved or occupied for school purposes, must be conveyed to the school district in which such town is situated without cost or charge of any kind whatever. All lots or parcels of land reserved or occupied for public purposes must be set apart and dedicated to such public purposes without cost or charge of any kind whatever. All expenses necessarily incurred or contracted by the carrying into effect of the provisions of this chapter or said acts of congress are a charge against the fund herein provided for.