kansas governor sam brownback thursday sign law school fund bill face scrutiny state supreme court determine fulfill mandate adequacy republican governor say approve measure even though legislature miss opportunity substantially improve k-12 fund system republican-controlled legislature face june 30 deadline set kansas supreme court march come enough fund meet state constitution requirement adequacy alan rupe attorney school district file fund lawsuit say additional 293 million lawmakers allocate school next two fiscal years fall far short need grateful effort enough achieve constitutionality say note kansas state board education propose 893 million two-year fund increase bill become law rupe say expect supreme court set process state demonstrate measure comply constitutional requirement besides find money school kansas lawmakers also plug budget hole largely cause fall tax revenue early month legislature override brownback veto bill hike income tax rat raise 1.2 billion next two fiscal years kansas governor sign school fund bill aim adequacy