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Product QuickFacts

Capture and hold the attention of young children with playful activities and colorful materials that help you assess language proficiency and indentify instructional placement. Compare students' language skills with fluent native speakers and identify those students who may benefit from special instruction to succeed in English-speaking classrooms.

Subject Area and Grades

  • English Language Proficiency (Grades pre-K–1)

Assessment Type

  • Observational

Delivery Format

  • Paper and pencil

Scoring Options

  • Hand scoring
  • Local scanning
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preLAS® measures the English and Spanish language proficiency and pre-literacy skills of learners in early childhood. preLAS is a part of our comprehensive model for helping language learners at every stage of the learning process.

The LAS Links Continuum of Effective Measurement

Assess early childhood language skills

Capture and hold the attention of young children with playful activities and colorful materials that help you assess language proficiency and identify instructional placement. preLAS uses graphics and stories based on early childhood literature and Kindergarten readiness skills.

You'll see firsthand how your students' language skills compare with those of fluent native speakers and be able to identify those who would benefit from special instruction to succeed in a mainstream English–speaking classroom.

preLAS helps you measure the language development of first– and second–language students in both English and Spanish. Both editions use the same tests and follow quality testing standards. preLAS Oral is designed for children ages 4–6, while Pre–Literacy is appropriate for children ages 5–6.

Engage young minds with playful tests

Use delightful game–like tests to assess general and specific aspects of language proficiency:

  • Simon Says—tests language listening skills through total physical response
  • Art Show and The Human Body—uses images to encourage naming and descriptive vocabulary
  • Say What You Hear—asks children to repeat simple sentences to measure their understanding and use of command of grammatical phrases
  • Let's Tell Stories—presents a 75–word narration that the child retells in his or her own words. The child's version is measured for receptive and expressive language, sequencing, syntax, and vocabulary

Assess pre–literacy skills with a fun board game

See receptive and expressive language skills in action. As the child moves around the board, these skills are assessed:

  • Upper– and lower–case letter recognition
  • Number recognition and concepts
  • Color recognition
  • Shapes and spatial relationships such as "in front of," "under"
  • Reading two– and three–letter sight words, such as "and," "is," and "up"
  • Writing name, age, and two– and three–letter sight words

Explore sample reports by choosing your audience from the pull-down menu below.

preLAS Resources

Featured Article

LAS Links can be used for English language development and progress monitoring by using a combination of the LAS Links assessments. Depending on program need and intent, LAS Links provides schools and districts with the option of measuring student progress up to five times per year.


Next Steps

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Related Products

LAS Links Benchmark Assessments

LAS Links K-12 Assessments

LAS Links Forms C&D

LAS Links Online

LAS Links Placement Test

LAS Links Placement Test Second Edition

LAS Links Español

LAS Links Instructional Guidance

preLAS Observational Assessment

Related Research Topics

English Language Learners

Applicable Grants

ESEA: Title I, School Improvement Grants


ESEA: Title VI


Video providing an overview of the LAS Links suite of language proficiency assessment products. Read Transcript

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Presentation by Lyle F. Bachman, Department of Applied Linguistics, University of California, Los Angeles. Hosted by CTB/McGraw-Hill on Wednesday, May 4, 2011.

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Presentation by Jamal Adebi, University of California, Davis/CRESST UCLA. Hosted by CTB/McGraw-Hill on Friday, February 25, 2011.

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CTB experts discuss the rise in ELL students in Colorado and how a combination of Acuity and LAS Links can address the core tracks of English Language Development and Academic Achievement. While this video focuses on Colorado data, much of the information is applicable to other states.

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