Phone: 636-443-4984


Degrees and Certifications:

Mr. Sean Crader


After teaching college students for several years at Ranken Technical College, Mr. Crader joined the Lewis & Clark staff in the 2018-19 school year.  Prior to teaching at Ranken, Mr. Crader worked for several years in the auto body industry most recently at Collision Plus. One of his most fun jobs was as a “tech inspector” at Gateway Raceway for the NHRA races.  Mr. Crader is a Magna Cum Laude and a President’s List graduate of Ranken.

Mr. Crader is a native son of Bollinger County, Missouri. Mr. Crader is happily married and enjoys a number of hobbies in his spare time.  He loves to build and create such as his one-of-a-kind fiberglass dune buggy. He is a self-learned airbrushing and vinyl graphics guru and enjoys building things out of wood.  

“I really enjoy watching students learn skills they can use and teach others throughout their life.”


  • 2 year program; 3 units of credit per year
    This course is open to juniors who have an interest in auto collision repair as a wage earning occupation.
    One year of the two year program students will learn non-structural repair methods.  These include mig welding, straightening and aligning sheet metal, applying and shaping plastic fillers, plastic panel identification and plastic repair methods.
    The other year will concentrate on painting and refinishing.  Students will learn proper paint preparation procedures, masking techniques, and detailing cars.  Primer, sealer and basecoat/clearcoat application will be covered along with paint defect identification and repair.  Proper spray gun techniques will be taught and practiced with lots of hands on spraying of primers, paints, and clears.
    Both years customer satisfaction, measuring and damage analysis along with writing a damage report will be covered.  The course is geared to prepare students for entry level auto collision repair and to help prepare for the ASE (Automotive Service Excellence) certification tests.  The curriculum is based on the I-CAR (Inter-Industry Conference on Auto Collision Repair) instruction and is used throughout the course.  Students will have the opportunity to earn the I-CAR ProLevel 1 in Non Structural Repair and Refinishing Certification.   
    ASE ICAR    skills