Contact Us

Student Transportation Specialists

Corporate Office
426 Metro Park
McKinney, TX 75071

Toll Free: (877) 787-7623
Office: (972) 542-7820
Fax: (405) 672-9613


"Student Transportation Specialists (STS) has provided outstanding professional management to the Brownwood ISD Transportation Department. They understand public school needs and requirements which allows school district personnel to focus on other educational responsibilities."

Kevin Gabaree
Deputy Superintendent
Brownwood ISD

Management Team

Jeff Polzien - Owner

Student Transportation Specialist, LLC, McKinney, Texas

Jeff Polzien

 In April 2005, after being in the motor coach business for 20 years and owning a successful business Jeff Polzien ventured onto the yellow bus side of the industry and created Student Transportation Specialist enlisting a few of the industries leaders to guide in venture.  Now the two operations run 320 vehicles between Red Carpet Charters and Student Transportation Specialists, LLC.  Mr. Polzien enjoys playing golf and spending time with his wife and two daughters.


Terry Hendrickson

Director of Maintenance

Student Transportation Specialist, LLC McKinney, Texas


Terry has over 35 years experience in the bus maintenance field.