Diane Marie Antonelli, 59, of Estes Park, CO, formerly of Lancaster, died Thursday, March 17, 2016, in Colorado, of natural causes.

Born in Lancaster, Diane was a 1975 graduate of McCaskey High School and received a Bachelor of Science in Special Education from Pennsylvania State University in 1981. She continued her education at the University of Northern Colorado, from which she received her Masters of Education in 2000.

Diane taught Middle and High School Special Education at Manheim Township and Colorado, where she was an Assistant Principal at John Evans Middle School from 2002 to 2004, and culminated her career as the Principal of Estes Park High School.

Diane loved being around friends, cooking Italian food, volunteering her time with various nonprofit organizations, taking care of animals, and took especially great joy in being with her children.

She is survived by her parents, Raymond F. and Lorraine D. (Groschup) Antonelli, her daughter Megan, and her three sons, Benjamin, Nikolas, and Jacob.

A Memorial Mass was held for Diane on Wednesday, March 23, 2016 at Our Lady of the Mountains Catholic Church in Estes Park, CO. Interment was held at Conestoga Memorial Park, Lancaster.