What is the SIOP Model?
The Sheltered Instruction Observation Protocol (SIOP) Model is a research-based and validated instructional model that has proven effective in addressing the academic needs of English learners throughout the United States.
The SIOP Model consists of eight interrelated components:
Using instructional strategies connected to each of these components, teachers are able to design and deliver lessons that address the academic and linguistic needs of English learners.
--from the Center for Applied Linguistics website