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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Gallup Goes to School: The Importance of Confidence Intervals for Evaluation "Adequate Yearly Progress" in Small Schools. Policy Brief
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Coladarci, Theodore – Rural School and Community Trust, 2003
Indicators of school-level achievement, such as the percentage of students who are proficient in a particular content area, are subject to random year-to-year variation in much the same way that the results of an opinion poll will vary from one random sample to another. This random variation, which is more pronounced for a small school, should be…
Descriptors: Small Schools, Intervals, Educational Improvement, Accountability