LOS ANGELES (CBSLA.com) — A high-ranking official with the Los Angeles Unified School District will resign at the end of the year, district officials confirmed Friday.

Dr. Jaime Aquino, who has served as Deputy Superintendent of Instruction under John Deasy since 2011, was in charge of a plan to distribute iPads to students throughout the LAUSD. He is also supervising efforts to conform the district’s instructional protocols to the Common Core State Standards, according to the district.

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The reason for Aquino’s resignation was not immediately clear, but he is scheduled to retain his post until Dec. 31, district officials said.

The LAUSD had faced criticism for agreeing to purchase $30 million in iPads for students under a plan using funds from a 2008 voter-approved bond issue to upgrade school technology.

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Born in the Dominican Republic, Aquino formerly worked in New York City as a bilingual teacher. In 1990, he was honored as New York State Bilingual Teacher of the Year before transitioning to his role as Deputy Executive Director for the New York City Department of Education’s Division of Instructional Support.

From 2005 to 2008, Aquino served as the Chief Academic Officer for the Denver Public Schools before eventually joining the LAUSD in July 2011.

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An official statement from the LAUSD was not immediately available.