California Democrats are introducing Tuesday a proposal to bring free “universal preschool” to all children in the state, a measure championed by many as an imperative equalizer for children from lower-income families.

Authored by Senate President pro Tempore Darrell Steinberg and unveiled at a news conference Tuesday morning, the “Transitional Kindergarten for All” proposal expands existing programs that provide free public preschool for children who turn five years old too late in the year to attend regular kindergarten.

“Build preschools now, or prisons later.”

“Higher income families are already making sure their children have access to high quality pre-kindergarten,” Ted Lempert, president of the Oakland-based group Children Now, told Reuters ahead of the press conference. “It’s imperative that all kids have access to that – so you don’t have an achievement gap before kids are even entering kindergarten.”

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