House Journal: Page 1765: Thursday, May 1, 2003
5 of test results used to compute the averages, average
6 standard score, the corresponding grade equivalent
7 score, average stanine score for the group, and the
8 normal curve equivalent of average standard scores,
9 and percentile ranks based on student norms, as well
10 as measures of student progress as specified in
11 paragraph "c".
12 (2) Iowa test of educational development scores
13 for each school district that administers the test and
14 for each attendance center within the school district
15 for grades nine through eleven. Each school district
16 administering the Iowa test of educational development
17 shall provide a report to the department relating to
18 each attendance center's test score averages and a
19 longitudinal analysis of student progress as specified
20 in paragraph "c".
21 b. Scores required to be reported under paragraph
22 "a", subparagraphs (1) and (2), shall be presented in
23 percentiles that allow for comparisons between
24 participating schools. The internet site shall
25 include background information regarding the tests,
26 including guidance for interpreting test scores and
27 the number of students that did not participate in the
28 tests and the reasons the students did not
29 participate.
30 c. The department shall approve the use of a
31 single value-added system to calculate annually the
32 amount of academic growth for each student, school,
33 and school district in reading and mathematics, and
34 other core academic areas where possible. The system
35 shall at a minimum contain the following capabilities:
36 (1) Use of a mixed-model statistical analysis that
37 has the ability to use all achievement test data for
38 each student, including the data for students with
39 missing test scores, that does not adjust downward
40 expectations for student progress based on race,
41 poverty, or gender, and that will provide the best
42 linear unbiased predictions of school or other
43 educational entity effects to minimize the impact of
44 fortuitous accumulation of random errors.
45 (2) The ability to work with test data from a
46 variety of sources, including data that are not
47 vertically scaled, and to provide a variety of
48 analyses of such data.
49 (3) The capacity to receive and report results
50 electronically and provide support for districts
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1 utilizing the system.
2 (4) The ability to create for each school district
3 a chart that reports grade-equivalent scores for
4 grades three through eight and gains between
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League of Women Voters of Iowa
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