The 600-plus school districts suing Texas over how it funds public education are wrapping up their case, as the sweeping trial's second phase winds down.
Witnesses were testifying Tuesday for charter school operators, who argue they should receive state funding to cover facilities costs.
Charters currently only get funding per-student.
Texas' attorney general's office then plans to present about two days of evidence before closing arguments Friday.
State District Judge John Dietz declared a year ago that the school finance system was unconstitutional based on $5.4 billion in 2011 funding cuts to classrooms approved by the Legislature.
But he's mulling if over $3.4 billion in funding restored by lawmakers last summer will make him reconsider.
Dietz will eventually issue a final, written ruling for appeal to the Texas Supreme Court.