This book introduces and explains the SIOP (Sheltered Instruction Observation Protocol) Model, a comprehensive, coherent, research-validated model of sheltered instruction, now implemented in districts throughout all 50 states and in dozens of countries. The SIOP Model improves teaching effectiveness and results in academic gains for students.

The SIOP Model, developed by the authors over 15 years ago, offers teachers a comprehensive, well-articulated model of instruction for planning and implementing lessons that helps educators

• a) provide English learners and other students with access to grade-level content standards
• b) develop the students' academic English skills, and
• c) prepare students to be college and career ready. The only research-validated model of instruction currently available for teaching English learners, the SIOP Model is applicable across content areas and is now being implemented at all levels of education from Pre-K to community colleges and universities.