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An EdWeek Research Center analysis of state data found 31 states saw drops in overall graduation rates for the class of 2021, compared with 14 states for the class of 2020.

Using data science in the classroom. Posted: November 19, 2024 | Last updated: November 19, 2024. In this internet age, we are surrounded by an enormous amount of data, ...

In this KS2 Maths article you’ll learn how to compare data using different tables and charts. We also have KS2 Maths videos, a quiz and lots of examples.

When grouping data, it is important not to have an overlap of values in the class intervals. 0–5 and 5–10 would not be sensible groups as there is an overlap and 5 belongs in two class intervals.

The chart below details some teachers’ experiences in the field. Data analysis for this article was provided by the EdWeek Research Center. Learn more about the center’s work.

Off the Charts is a weekly, subscriber-only guide to The Economist’s award-winning data journalism and the ideas, processes and tools that go into creating it. Sign up for Off the Charts .