TOPEKA, Kan. (AP) — Bipartisan support for higher spending on public schools pushed Kansas legislators Tuesday to be more aggressive about the income tax increases they're already considering to fix the state budget.

Top Republicans abruptly scrapped a plan that would have raised $879 million in new revenue over two years by rolling back past income tax cuts championed by GOP Gov. Sam Brownback. Support for the proposal had collapsed, with Democrats and moderate Republicans complaining it wouldn't provide extra dollars for schools while closing projected budget shortfalls.

The same negotiators...