Objective. Students will distinguish among the major co-teaching models and accurately describe the paraprofessional's subordinate, supportive role within each model.
This lesson, its worked examples and its practice questions has not yet been verified by a licensed professional in the field or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.
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Co-teaching is an arrangement in which a licensed general education teacher and a licensed special education teacher share responsibility for planning, delivering, and assessing instruction in a single classroom. The goal is to meet the needs of all students, including those with Individualized Education Programs (IEPs), within the general education setting. As a paraprofessional, you will often work alongside a co-teaching pair. Understanding each model helps you know exactly where to stand, what to do, and—equally important—what to leave to the certified professionals.
Marilyn Friend and Lynne Cook, whose collaboration framework is widely used in schools across the United States, describe six major co-teaching models. Each assigns different physical and instructional roles.
1. One Teach / One Assist
One teacher delivers whole-group instruction while the other moves through the room providing quiet, individual support. The paraprofessional's position: you may circulate to help with on-task behavior, materials, or brief clarifications, but you do so under the direction of the assisting teacher. You do not pull students out of instruction or make independent decisions about modifying assignments.
2. Station Teaching
Students rotate among two or more small-group stations, each managed by a different adult. A paraprofessional may staff an independent practice station, but the activities at that station must be designed and approved by a certified teacher in advance. You facilitate and monitor; you do not create new instructional content on the spot.
3. Parallel Teaching
The class is split into two groups of roughly equal size, and each teacher delivers the same content simultaneously to their group. The paraprofessional supports one group under teacher supervision. This model requires close pre-planning between the two certified teachers; you carry out that plan rather than adapt it independently.
4. Alternative Teaching
One teacher works with the larger group while the other works with a small group that needs pre-teaching, re-teaching, or enrichment. The paraprofessional may assist with the smaller group, but the certified special education teacher or general education teacher leads that instruction. Your role is to provide prompts, read aloud per the IEP, or manage materials—not to determine the instructional approach.
5. Team Teaching
Both certified teachers share the lead simultaneously, often finishing each other's thoughts, modeling dialogue, or demonstrating a concept together. This is the most integrated model and typically requires the greatest professional trust and planning time between the two teachers. The paraprofessional's role is the most limited here: circulate quietly, support individual students with documented needs, and stay out of the instructional dialogue unless directed to speak by a teacher.
6. One Teach / One Observe
One teacher delivers instruction while the other systematically collects data on student performance or classroom dynamics. This model is often used to gather information that drives IEP goal updates. A paraprofessional does not conduct formal observation or write IEP-related data unless a certified staff member specifically assigns and supervises that task. You may take informal notes only if asked to do so by the teacher.
In every model above, notice a consistent pattern: the paraprofessional supports the plan that certified teachers have designed. This is not a reflection of your value—it is a legal and professional boundary that protects students.
Under the Individuals with Disabilities Education Act (IDEA), IEP services must be delivered or directly supervised by qualified personnel. A paraprofessional who independently modifies a student's assignment, decides to remove a student from the room, or changes the level of a task is stepping outside their legal scope of practice. This can put the student's IEP compliance at risk and expose the district to legal liability.
Practical reminders for every model:
Classrooms that include students with physical disabilities, seizure disorders, severe allergies, or behavioral support plans carry specific safety requirements. Before you work in any such classroom:
When you walk into a co-taught classroom, ask yourself three questions: Which model is in use right now? What has the supervising teacher asked me to do? What boundaries should I respect? Answering those three questions accurately is the foundation of effective, ethical paraprofessional practice.
Answer each question, then check it. Nothing is recorded; this is your own practice.
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