Duval County's Half Cent Sales Tax The push for a November referendum on a proposed a half-cent sales tax for better school buildings in Jacksonville has suffered a setback. On Tuesday night, the finance committee of the City Council voted to recommend delaying a referendum on a half-cent sales tax for schools to the fall of 2020. Related: Council's Finance Committee Wants To Punt The Half-Cent Sales Tax Referendum To 2020 Duval County Schools Superintendent Diana Greene and School Board Chair