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We are located approximately 20 miles south of Chicago in Posen, Illinois. We currently have more than 1500 students enrolled and 87 certified teachers. There are five schools in the District serving Pre-Kindergarten through eighth grade students from the communities of Posen, Robbins, Blue Island, Markham and Harvey.

Hours of Operation

Monday - Friday, 8:00 am - 4:00 pm (Holiday hours will vary)
Summer Hours:
Monday - Thursday, 8:00 am - 2:00 pm 
                        Friday, 8 am - 12 pm

Mission Statement

In partnership with staff, students and community, the mission of the Posen-Robbins School District 143½ is to provide an educational environment that will enable all students to develop essential academic skills for a lifetime of learning and to prepare students to be responsible, contributing citizens in a diverse and changing world.

Belief Statement

We believe:

  • Change is inevitable and ongoing 
  • All individuals have worth and value
  • Individuals are responsible for their actions
  • Learning is essential for a productive community
  • An educated citizenry is essential for democracy to thrive
  • Learning is a life-long process and everyone can learn
  • Everyone is involved in the act of teaching; thus to enhance self-esteem, growth and development we must embrace our duty to impart the educational experience



8/4/2014 8:00 AM   Registration (Returning Student) at Posen from 8am - 3pm 
8/5/2014 1:00 PM   Registration (Returning Student) at Posen from 1pm - 7pm 
8/6/2014 8:00 AM   Registration (Returning Student) at Kellar from 8am - 3pm 
8/7/2014 1:00 PM   Registration (Returning Student) at Kellar from 1pm - 7pm 
8/8/2014 8:00 AM   Registration (New Student) at Kellar from 8am - 3pm 
8/12/2014 6:30 PM   School Board Meeting 
8/14/2014 8:30 AM   Teacher Institute 
8/15/2014 8:30 AM   Teacher Institute 
8/18/2014 8:20 AM   First Day of School (Kdg thru 8th) 
9/1/2014 12:00 AM   Holiday - Labor Day (No School) 
(More Events...)



  Administrative Center Staff Emails & Extentions


14025 Harrison Avenue
Posen, Illinois 60469
Phone: (708) 388-7200
Fax: (708) 388-3868