Standardized test results -- how do our students compare?
Strong performance, year after year.
Each spring, WCGS students take the TerraNova 3, a nationally recognized test to measure academic progress. The TerraNova 3 is a norm-referenced test that allows comparison of one group of students — or an individual student — to a norm group of students in the same grade across the country.
Wheaton Christian Grammar School students have historically demonstrated very strong achievement test performance with both the Stanford Achievement Tests (used until 2011), and more recently with the TerraNova 3 (used since 2012).
THIS YEAR'S RESULTS: Our spring 2016 median score for the school in the areas of Reading/Language/Math was 93-8, outstanding.
Most years, 65-70 percent of our students have been in the above average to superior range. We attribute this to a number of factors, including the strong education and challenge found at WCGS, excellent and well-qualified faculty who are pouring themselves into each child, students who are motivated to excel and do well, rich and diverse life experiences that our students have enjoyed, and dedicated parents who partner with us in their children's education.
* 85-7 (and related values expressed in this article ) refer to the percentile and stanine rank. A stanine is a value on a nine-point scale of normalized standard scores. Scores are expressed along a scale ranging from a low of 1 to a high of 9 with the value 5 representing average performance.
Percentile: Percentile ranks indicate the relative standing of a pupil in comparison with pupils of the same grade status nationally in the norm group who took the test at a comparable time. If a pupil obtains a percentile rank of 70, for example, it means that he/she equaled or exceeded 70 percent of the students taking the test and that 30 percent of the group recorded higher than he/she did. Therefore, percentile rank is not the same as percent correct. Percentile rank relates the number of items answered correctly to the percent of other pupils getting at least that same number correct.
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