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Seneca High School

High School

Boaz, Mrs. Niccolle

Main Office Secretary

Mrs.  Niccolle  Boaz  grew up in central and northern Wisconsin. She believes that this was a major influence for her love of fishing, camping or doing anything outdoors. She also loves gardening and . . .

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Buchanan, Mr. Barry

Building, Grounds, & Transportation

Mr. Barry Buchanan joined Seneca High School in 2012 as our Building, Grounds, and Transportation Coordinator.  He resides in Seneca with his with Donna.  Barry has a daughter and 2 grandchildren.  When time allows he loves . . .

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Long, Mr. Dale

Security Monitor

Mr. Dale Long is an SHS security monitor with over 30 years law enforcement experience. He is a retired police sergeant and has held the assignments of Range Officer, Firearms Instructor, and Juvenile Officer. He has a love for the . . .

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Jackson, Mr. Chris

Head Athletic Trainer

Mr. Chris Jackson is employed by ATI Physical Therapy.   Contact Info:    (Office Phone)  815-357-5094 . . .

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Lockridge, Ms. Joan

Student Success Counselor

Ms. Joan Lockridge is a licensed professional counselor.  She earned her undergraduate degree in Social Work and her graduate degree in Mental Health Counseling from Lewis University in Romeoville, IL.  She completed her . . .

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Maierhofer, Mrs. Nadine

District Secretary/Bookkeeper

Mrs. Nadine Maierhofer lives in Seneca with her husband, Les.  Kaitlin, her oldest daughter, is married and living in LaSalle where she teaches Math at LaSalle/Peru High School.  Kassidy, her youngest is currently attending . . .

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McGuan, Mrs. Lesley


Lesley McGuan is an Ottawa High School graduate.  She received an Associate’s degree in Marketing from Illinois Valley Community College and a Bachelor’s degree in Marketing from Northern Illinois University.  Mrs. . . .

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Neimann, Mrs. Sherry

Media Director

Mrs. Sherry Neimann   is the Media Center Director here at Seneca High.  Her main objective is to assist students and to support the faculty with their reading and research needs.  She has been working in . . .

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Pandolfi, Mrs. Kelly

Main Office Secretary

Mrs. Kelly Pandolfi  lives in rural Ottawa with her husband Flip, an Electrician, who she has been married to for 38 years. They have 3 children, Chaz a Chicago Fireman, Leslie a Nurse at Morris Hospital and Sam an Operator . . .

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Rockrohr, Mrs. Jill

School Psychologist/Director of Special Services

Mrs. Jill Rockrohr  graduated from Illinois Wesleyan University with a Bachelors degree in Psychology.  She completed her Masters degree in School Psychology at the University of Rhode Island.   Mrs. . . .

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Ruder, Mrs. Karen

Guidance Office Secretary

Mrs. Karen Ruder lives in rural Marseilles with her husband of 32 years, Wayne.  Together they have two children, Elizabeth and Dean.  Elizabeth is married with 2 children and lives in Ottawa where she works as a nurse.  . . .

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Ruff, Ms. Diane

Copy Center

Ms. Diane Ruff started working in the Copy Center at SHS in 2014.  She resides in Marseilles.  Diane enjoys reading and playing with her cats.  She has been known to go wherever life leads--heading down . . .

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Sangston, Officer Ken

School Resource Officer

Officer Ken Sangston  has over 27 years of law enforcement experience. He has held the rank of Patrol Sergeant, Lieutenant, and most recently, Captain. He has performed various assignments including Detective, Crime Scene . . .

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Stecken, Mr. Dan


Greetings to all the community of Seneca High School. My name is Dan Stecken and I became the Superintendent of Seneca High School District #160 on July 1, 2021. Prior to that, I was the Chief School Business Officer and was a teacher and . . .

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Weber, Mrs. Margi

Security Monitor

Mrs. Margi Weber is one of our 2 new Security Monitors here at Seneca High Sschool. Prior to working at SHS Mrs. Weber worked at Marseilles Grade School in Kindergarten and First Grades as a student aide. Prior to that she was a stay . . .

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Gould, Mrs. Stacey

Director of Fiscal Services

Mrs. Stacey Gould first earned her Associate degree at Illinois Valley Community College where she played both volleyball and softball.  She then received her Bachelor of Science/Master of Professional Accountancy . . .

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