Definition:
Sheltered instruction is an educational approach designed for English Language Learners (ELLs) that integrates academic content instruction with language development support. Rather than learning language in isolation and content separately, students learn both simultaneously through modified instruction — the content is “sheltered” (made accessible) through visual aids, simplified language, cooperative learning, scaffolding, and explicit attention to language alongside content objectives.
In-Depth Explanation
Core principle: ELL students shouldn’t have to wait until they’re fluent to learn academic content. Sheltered instruction adapts the delivery of content so it’s comprehensible at the student’s current proficiency level.
The SIOP Model:
The most well-known sheltered instruction framework is the Sheltered Instruction Observation Protocol (SIOP), developed by Echevarría, Vogt, and Short. It includes 8 components:
| Component | What it means |
|---|---|
| Lesson Preparation | Content AND language objectives for every lesson |
| Building Background | Connecting new content to students’ prior knowledge and experiences |
| Comprehensible Input | Using modified input strategies — visuals, gestures, slower speech, rephrasing |
| Strategies | Teaching learning strategies explicitly (metacognitive, cognitive, social) |
| Interaction | Structured student-to-student interaction with language support |
| Practice/Application | Hands-on practice that integrates all language skills |
| Lesson Delivery | Balanced pacing with clear, supported instruction |
| Review/Assessment | Reviewing key vocabulary and concepts; assessing both content and language |
Example — Sheltered science lesson:
A lesson on photosynthesis for intermediate ELLs might:
- Content objective: “Students will explain the process of photosynthesis”
- Language objective: “Students will use sequence words (first, then, next, finally) to describe a process”
- Instruction uses diagrams, real plants, labeled visuals
- Key vocabulary (chlorophyll, carbon dioxide, glucose) is pre-taught and displayed
- Students work in pairs to sequence steps using sentence frames
- Assessment allows students to demonstrate understanding through diagrams, not just writing
Sheltered instruction vs. immersion:
| Sheltered Instruction | Total Immersion | |
|---|---|---|
| Language support | Explicit, built into every lesson | Minimal — “sink or swim” with L2 |
| Content adaptation | Modified for accessibility | Full academic content in L2 |
| Target population | L2 learners in mainstream schools | All students (often L1 speakers learning L2) |
| Language objectives | Stated alongside content objectives | Implicit |
Related Terms
See Also
Research
- Echevarría, J., Vogt, M., & Short, D. (2017). Making Content Comprehensible for English Learners: The SIOP Model (5th ed.). Pearson. — The definitive guide to the SIOP sheltered instruction model.
- Short, D. J., Echevarría, J., & Richards-Tutor, C. (2011). Research on academic literacy development in sheltered instruction classrooms. Language Teaching Research, 15(3), 363–380. — Empirical evidence for SIOP model effectiveness.