ELL Scaffolds for High School: Supporting Multilingual Learners in Grades 9–12

High school is the most high-stakes environment an ELL student will navigate. Credit accumulation, graduation requirements, standardized assessments, college applications — all of these have real and permanent consequences, and all of them are mediated by academic language proficiency that many ELL students are still developing. The challenge for high school teachers is to hold the standard while building the scaffold — to believe in what ELL students are capable of while removing the language barriers that would otherwise prevent them from demonstrating it.

The High School ELL Landscape

High school ELL students are not a homogeneous group.

Recent arrivals with strong academic backgrounds. A student from South Korea who took advanced mathematics and science in Korean may arrive at 10th grade with sophisticated content knowledge and no English. The language barrier is real. The academic ability is not in question.

Recent arrivals with interrupted schooling. A student from rural Guatemala who has had limited formal education faces a dual challenge: acquiring English and building the academic background that formal schooling provides.

Long-term ELL students. Students who have been in U.S. schools for six or more years, have conversational English, and are stuck at academic proficiency levels that do not reflect their potential.

Recently reclassified students. Students who have exited ELD services but are in the monitoring window and may still need targeted support.

Each of these students needs different scaffolds. A single approach does not serve all of them.

The Academic Language Demands of High School

ELA: Analyzing complex literary and informational texts, constructing extended argumentative essays with claims, evidence, counterargument, and synthesis. The language of literary analysis — theme, tone, irony, perspective, diction, syntax, motif — is both Tier 2 and Tier 3.

History / Social Studies: Analyzing primary sources, evaluating historical arguments, writing evidence-based essays. The discourse conventions of historical analysis — sourcing, contextualization, corroboration, close reading — must be explicitly taught.

Science: Producing lab reports, analyzing data, constructing scientific arguments using the claim-evidence-reasoning framework. Science writing conventions are discipline-specific and not intuitive.

Math: Language demands intensify as content becomes more abstract. Word problems in algebra, geometry, and beyond require reading comprehension as much as mathematical reasoning.

Sentence Frames for High School ELLs

For literary and rhetorical analysis
  • The author's central argument is ___, which is developed through ___.
  • The use of ___ (literary device) in ___ (line/passage) suggests ___.
  • While ___ argues that ___, a closer reading reveals ___.
  • The tone of this passage is ___, established through ___.
  • This can be interpreted as ___, which suggests ___.
For historical analysis
  • This primary source was created by ___ in order to ___.
  • The author's perspective is shaped by ___, which leads them to ___.
  • This document must be understood in the context of ___.
  • The evidence suggests ___, although ___ complicates this interpretation.
  • Historians disagree about ___ because ___.
For scientific writing
  • The purpose of this investigation was to ___.
  • The data suggests that ___, which supports/contradicts the hypothesis because ___.
  • A potential source of error was ___, which may have affected ___ by ___.
  • The results indicate ___, consistent with ___.
  • Further investigation would be needed to determine ___.
For academic argument
  • I argue that ___ because ___ and ___.
  • Proponents of ___ claim ___. However, ___.
  • The evidence most strongly supports ___ because ___.
  • A significant implication of this is ___.
  • While ___ is true, it does not account for ___.
For academic discussion and seminars
  • Building on ___'s point, I would argue that ___.
  • I want to challenge the assumption that ___.
  • The evidence we have examined suggests ___, which raises the question of ___.
  • I find ___'s argument more convincing because ___.

Scaffolding for High-Stakes Assessments

For ACCESS: Preparation should include practice with the specific discourse types assessed — explanation, argument, narrative, and informational writing — with explicit attention to the language features that characterize strong performance at each level.

For AP courses: ELL students in AP courses need explicit scaffolding for the specific demands of AP assessments — the document-based question in AP History, the free-response question in AP Science, the analytical essay in AP English.

For SAT/ACT: The same Tier 2 vocabulary instruction and close reading strategies that serve ELL students in the classroom directly prepare them for these assessments.

Scheduling and Support Structures That Work

Sheltered content courses. Grade-level content taught with embedded language supports, ideally with an ELD specialist as co-teacher. Most effective when the ELD specialist and content teacher co-plan — not when the ELD teacher silently supports without prior coordination.

Newcomer programs for recent arrivals. A dedicated block where newcomer high school students receive intensive language instruction alongside content previews.

ELD elective plus mainstream. Students take a dedicated ELD course that addresses the academic language demands of their other courses. Works best when the ELD teacher has regular contact with content-area teachers.

How Assist ELD helps

Paste your high school lesson or upload your assignment and Assist ELD generates vocabulary, sentence frames, and task supports calibrated to the actual language demands of your content — in under 60 seconds, ready to print.

Try it on your next lesson

Free. No account needed. Five scaffolds per day.

Generate Scaffolds Free →