The Most Challenging Common Core Standards Overview
It's no secret that the new Common Core State Standards are more rigorous. But what if you could pinpoint exactly which ones are the most challenging—where students struggle the most—to better focus your instructional time? With data collected nationally from over 750,000 students, we can do just that.

What are the most challenging Common Core Standards?

Reading
Reading
In Reading, students struggle with informational vs. literary text as well as increasingly complex texts. The most challenging standards are those that require synthesis skills, including those related to:
  • Determining central ideas or themes and summarizing details
  • Analyzing text structure
  • Integrating and evaluating content in diverse media and formats
  • Analyzing similar topics and themes across texts
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Mathematics
In Math, students are struggling with the standards that require deeper conceptual understanding, including those related to:
  • Geometric measurement
  • Modeling problem situations
  • Fractions
  • Statistics
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How do we know what the most challenging Common Core Standards are?

i-Ready is an online adaptive diagnostic used by more than 3 million students across the U.S. Independent research demonstrated that i-Ready was found to have strong correlations to the 2013 New York State Assessment (correlations ranged from 0.77–0.85 across grades and subjects). In addition, i-Ready successfully predicted proficiency on the assessment for 85% of students. Further analysis of students' performance by our team of researchers provided data that helped identify which Common Core standards were the most challenging during this transitional period.

How can Ready® help?

By being proactive, schools will be able to focus their time and affect positive change. For example, research shows that in states that have implemented targeted strategies, such as incorporating Ready (a rigorous K–8 Common Core program), students have made measureable gains in mastering the new standards.

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