Smiley Campus

600 South Smiley

O'Fallon, IL 62269

Phone: 618-632-3507

Fax: 618-206-2468

Email: contact@oths.us

Milburn Campus

650 Milburn School Road

O'Fallon, IL 62269

Phone: 618-622-9647

Fax: 618-622-9630

Email: contact@oths.us

Other Inquiries

• Transcript Requests

• Attendance Office

• Freedom of Information Request

• Blackboard Troubleshooting

• Skyward Troubleshooting

• Website Troubleshooting

• Student X:Drive Troubleshooting