About John DeLandtsheer

John DeLandtsheer has served as the GATE Coordinator in the Redlands Unified School District for over sixteen years. GATE Certification has been required for all teachers of the gifted for fifteen years in Redlands. As of 2005, over 450 teachers in Redlands have completed the certification program. Mr. DeLandtsheer has recently retired from his role as principal of Mariposa Elementary but continues to serve as the GATE Coordinator in Redlands Unified School District.

He is now devoting the majority of his time as a private consultant training GATE teachers and others throughout California and the west in differentiated curriculum through his company, JD Seminars. Mr. DeLandtsheer has a Masters Degree in School Administration and has devoted over thirty-five years of his educational career to gifted students at the district, county, and state levels. He has served on the Board of Directors for the California Association for the Gifted and he currently teaches through UC Riverside in their GATE Certificate Program. He is a frequent presenter at state and national conferences.


The following school districts are currently using John DeLandtsheer's services. Please feel free to contact them for references.

Adelanto School District Mary O'Rourke (760) 246-8691 x 209
Alameda County Office of Education Natalie Longree-Guiverra (510) 760-8406
Bassett Unified School District Cheryl Bean (626) 931-3000
Brawley Unified School District Gail Watkins (760) 848-5069
Castro Valley Unified School District Maggie Cathey (510) 537-3000 x 1286
Dry Creek Jt. School District Louise Santana (916) 771-7250
Freemont Unified School District Mary Ellen Huey (510) 657-2350 x 12325
Hesperia Unified School District Carol Whitten (760) 244-6306
Imperial County Office of Education Toni Dickerson (760) 312-6191
Ontario-Montclair School District Kelly Albers (909) 843-5256
Palm Springs Unified School District Erik Michelson (760) 902-7769
Pomona Unifed School District Darlene Moshier (909) 397-4800 x 3604
Redlands Unified School District Margee Fuller (909) 307-5300
Rincon Valley School District Merritt Booster (707) 542-7375
Roseville Unified School District Kathleen Steinhart (916) 771-1600 x 105
Upland Unified School District Diane Jenkins (909) 985-1864 x 244

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