Learn how Star CBM promotes students’ development in reading and mathematics with curriculum-based measures.
Actionable insights to support early learners
CBM Assessments
In the early grades, students develop the reading and math skills that form the foundation for their future learning. Star CBM allows you to accurately assess students’ development so that you can better target instruction and intervention to each learner’s specific needs.
Streamlined administration, comprehensive CBM reporting
Teachers administer 1:1 to students online, remotely or in print to get an in-depth understanding of student development.
Star CBM supports digital and paper administration , in person and remote delivery, with clear instructions for easy administration.
Item level scoring and clear reports give you actionable insights and appropriate next steps.

Simple administration
Star CBM supports digital and paper administration, in person and remote delivery, with clear instructions for easy administration.

Actionable insights
Item level scoring and clear reports give you actionable insights and appropriate next steps.
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Meet Star CBM
Meet Star CBM [2:04]
Track students’ developmental growth
CBM Assessments for reading & math
Star CBM Reading
Measures for grades K–6
- Letter Naming
- Letter Sounds
- Phoneme Segmentation
- Receptive Nonsense Words
- Expressive Nonsense Words
- Passage Oral Reading
- Sight and High-Frequency Words
- Encoding
Use in dyslexia screening
Along with measures of reading achievement, Star CBM Reading includes assessment of Rapid Automatic Naming (RAN), which many states and professionals require as part of universal screening for dyslexia for all students in kindergarten through grade 3.
Star CBM Math
Measures for K–3
- Numeral Recognition
- Quantity Comparison
- Addition to 10
- Addition to 20
- Subtraction from 10
- Mixed Addition and Subtraction
- Multiplication to 100
See sample measures from Star CBM
The student experience

Letter Sounds
This Star CBM Reading measure assesses students’ understanding of alphabetic principle and print concepts, asking them to produce the sound associated with each consonant (both upper and lower case).

Passage Oral Reading
This measure assesses students’ decoding and fluency skills when reading connected text, with high correlations to comprehension.

Quantity Comparison
This Star CBM Math measure assesses students’ understanding of number sense, a foundation for later analysis and reasoning.

Mixed Addition and Subtraction
This Star CBM measure assesses students’ growing ability to solve simple addition and subtraction “math facts” critical to continued mathematical achievement.
Pair CBM assessment with myIGDIs and Star Early Literacy
Strengthen early childhood assessment
myIGDIs for Preschool
Put your earliest learners on the pathway to kindergarten readiness with research-based indicators for early literacy (in both English and Spanish), early numeracy, social-emotional development, and more.
Star Early Literacy
Discover the computer-adaptive assessment that measures early literacy and numeracy skills, providing reliable data about phonological awareness, phonics, word recognition, counting, and more. Available in both English and Spanish.
Now available
Star CBM Lectura for grades K–6. Assessments that truly reflect students’ literacy development in Spanish.
Approved by administrators and teachers globally
Teachers really appreciate the ability to develop short quizzes that students can typically complete in just 10 or 15 minutes. Star Custom is a very effective method for monitoring progress on the specific standards where a student might be struggling—as well as ensuring that no one gets left behind as the class moves on to the next skill level.
Sherrilynn Bair, Curriculum Director, Snake River School District
FAQs about Star CBM and CBM Assessments
Understanding Star CBM
Additional Resources

Flyer
Expand your perspective with complementary data from Star computer-adaptive and Star curriculum-based measurement assessments.

Brochure
Learn how Star CBM and Star computer-adaptive measures provide complementary data to help address your data needs.
Want to learn more?
A Renaissance representative can provide you with a more detailed understanding of Star CBM.