The Denver Gazette: In his first 18 months on the job, Denver Public Schools Superintendent Alex Marrero spent more than $16,000 on travel-related expenses — more than his four predecessors combined — The Denver Gazette has learned.

A review of Marrero’s expenses shows he has traveled to multiple out-of-state locations to attend speaking engagements and national conferences that include trips to California, Florida, Texas, Georgia, Oklahoma, Tennessee, Washington D.C. and Puerto Rico.

The Denver Gazette examined receipts, expense logs and reports, employee reimbursement and per diem forms for Marrero’s spending, obtained under the Colorado Open Records Act (CORA).

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