Colorado 's Department of Revenue reported that pot tax revenue raised for public schools this January is 10 times higher than January 2014 . Colorado has a 10 % sales tax and 15 % excise tax on pot sales - the excise tax revenue is designated for schools . The huge increase is due to the large number of pot shops that opened up over the course of 2014 - there are now over 320 . Sales and revenue fluctuate month-to-month with the number of tourists visiting the state . Washington D.C. , Oregon and Alaska have since passed legislation legalizing marijuana .
Colorado 's Department of Revenue reported that pot tax revenue raised for public schools this January is 10 times higher than January 2014 . Colorado has a 10 % sales tax and 15 % excise tax on pot sales - the excise tax revenue is designated for schools . The huge increase is due to the large number of pot shops that opened up over the course of 2014 - there are now over 320 . Sales and revenue fluctuate month-to-month with the number of tourists visiting the state . Alaska , Oregon and Washington D.C. have since passed legislation legalizing marijuana .