Chat live with TUSD Superintendent John Pedicone today about his time with the district and his unexpected resignation announced Wednesday.

Pedicone will take reader-submitted questions at noon at

Readers can submit questions in advance at the same Web address.

Pedicone announced his resignation, effective June 30 - one year before his contract is set to expire.

He has led Tucson's largest school district since 2011. During his tenure, the Tucson Unified School District continued to face long-standing issues of declining enrollment, budget cuts and low academic achievement.