Dr. Tim Collins, Ed.D.
Principal
Contact Information:
tim.collins@lsr7.net
(816) 986-3005
About Dr. Collins
Dr. Collins has served as principal of Lee’s Summit North High School since 2022. His educational background includes a doctor of education degree in Educational Leadership from William Woods University. He also holds a specialist’s degree in Educational Leadership from the University of Central Missouri and master’s degree in Curriculum and Instruction from Baker University and a bachelor’s degree in Education from the University of Missouri-Kansas City.
He previously served as the director of the LSR7 Secondary Online Academy in 2021-2022 and as an assistant principal at LSN for eight years. Prior to that, he was a social studies teacher, football coach, and baseball coach at LSN.
Dr. Collins is also a proud LSN graduate from the class of 2003.
Dr. Barry Crilley, Ed.D
Assistant Principal
Contact Information:
barry.crilley@lsr7.net
(816) 986-3012
Students Ru-Z
About Dr. Crilley
Dr. Crilley has been at LSN since 2018. His educational background includes an education specialist degree in School Administration from William Woods University, a master’s degree in Special Education from University of Kansas City, and a bachelor’s degree in History from Missouri State University.
His teaching experience includes 11 years as a special education teacher in the Park Hill School District. He also served as an assistant football coach, coordinated strength and conditioning, served as SPED Department Chair, and was an administrative intern in Park Hill. Dr. Crilley became an assistant principal at LSN in 2018.
Dr. Sarah Graff, Ed.D
Assistant Principal
Contact Information:
sarah.graff@lsr7.net
(816) 986-3022
Students A-Eh
About Dr. Graff
Dr. Graff has worked at Lee’s Summit North High School since 2002. Her educational background includes a doctor of education degree in Educational Leadership from St. Louis University. She also holds a specialist’s degree in Educational Leadership from St. Louis University, a master’s degree in Teaching from Webster University, and a bachelor’s degree in Mathematics Education from Missouri State University.
She previously served as a math teacher, tennis, basketball, cross-country, and track coach at LSN. During that time, Dr. Graff also served as assistant director of summer school and as Bronco Time Coordinator.
Dr. Graff is also a proud LSN graduate from the class of 1998.
Mike McGurk
Athletics & Activities Director
Contact Information:
mike.mcgurk@lsr7.net
(816) 986-3013
About Mr. McGurk
Mr. McGurk has been at LSN since 2013. His educational background includes an education specialist degree in Education Leadership from the University of Central Missouri, a master’s degree in Education Leadership and a bachelor’s degree in English Literature from George Mason University in Fairfax, Virginia.
Mike began his career in education as an English teacher at Lake Braddock Secondary School in Burke, VA. He then served as the Director of Student Activities at Thomas Jefferson High School for Science and Technology for one year, at James W. Robinson Secondary School for five years, and at Jefferson City Public Schools for five years. Mr. McGurk became athletic director at LSN in 2013.
Mike began his career in education as an English teacher at Lake Braddock Secondary School in Burke, VA. He then served as the Director of Student Activities at Thomas Jefferson High School for Science and Technology for one year, at James W. Robinson Secondary School for five years, and at Jefferson City Public Schools for five years. Mr. McGurk became athletic director at LSN in 2013.
Dr. Steve Moore, Ph.D
Assistant Principal
Contact Information:
steve.moore@lsr7.net
(816) 986-3011
Students Ei-K
About Dr. Moore
Dr. Moore’s educational background includes an interdisciplinary Ph.D. in Educational Leadership, Policy, and Foundations from UMKC as well as two degrees from Missouri State University: a BS.Ed in English and an MS.Ed. in Education Administration.
Prior to joining LSN’s administration in 2022, Dr. Moore was a teacher for 13 years, most recently at Summit Ridge Academy as teacher and Career Navigator. His coaching experience includes Cross Country, Scholar Bowl, and Marching Band. Dr. Moore also spent many years leading professional development through the National Writing Project and its Missouri network affiliates.
Tammie Williams
Assistant Principal
Contact Information:
tammie.williams@lsr7.net
(816) 986-3010
Students L-Ro
About Ms. Williams
Ms. Williams educational Background is an Educational Specialist in Educational Administration from the University of Missouri -Kansas City, a Master’s Degree in English from the University of Central Missouri and a Bachelor’s from Missouri Valley College in English.
This year begins her 23rd year in education. Ms. Williams taught and Coached Track in the Hickman Mills School district, English at Ruskin High School for 11 years, 3 Years at the Hickman Mills Freshman Center. In the Raytown school District for 6 Years as a Track coach and English teacher at Raytown High School. She has also been an Adjunct Professor at Avila, UMKC, and UCM.