2004 API Base Content Weightings

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2004 API Base Content Weightings
Edward Haertel, Professor Stanford University,
School of Education Chair, Technical Design Group
for the PSAA Advisory Committee Member, PSAA
Advisory Committee Holly Jacobson, Assistant
Executive Director Policy Analysis and
Research California School Boards
Association Co-chair, PSAA Advisory
Committee State Board of Education
Meeting November 9, 2004
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Indicator Weights2003 API Base
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Example Calculation2003 API Base (Gr. 2-8)
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Weight per Student(Current Method)
CSTCalifornia Standards Test
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STAR Content Areas Tested, Gr. 2-8
Grades Tested Grades Tested Grades Tested Grades Tested Grades Tested Grades Tested Grades Tested
2 3 4 5 6 7 8
CST ELA X X X X X X X
CST Math X X X X X X X
CST Science X
CST History X
NRT X X
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2004 API BaseMethod 1
For a school with grades 2-6 (having 300 valid
scores) AND 7-8 (having 150 valid scores), the
school API (670 x 300) (775 x 150) / (300
150) 705
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2004 API BaseMethod 2
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2004 API BaseMethod 2 (continued)
API (13400 12800 14200 13000 13800) /
(20 20 20 20 20) 672
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Most Common Grade Spans
Grade Number of Span Schools K-5
2,386 K-6 2,011 9-12 1,067 6-8
810 K-8 547
Grade Number of Span Schools 7-8 332 10-1
2 160 7-12 139 K-12 108 K-3 101
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2004 API BaseMethod 3 (PSAA Committee
recommended method)
Grades 2-5 Example
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Proposed 2004 API BaseMethod 3(simple way of
calculating)
Grades 9-11 Example
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Method 3

• For Method 3, the weight for every student taking
  a given test is the same, but the overall content
  contribution to a schools API will vary
  depending on the number of students that took
  that particular test.

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2004 API BaseWeights Impact Gr. 2-8(PSAA
Committee recommendation)
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Two-Step Phase-InGrade 2-8 Weights(PSAA
Committee recommendation)
2007 API Base or at least one year after
materials adoption
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2007 API BaseWeights Impact Gr. 2-8(PSAA
Committee recommendation)
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Four Weight Options Method 3, Gr. 9-12
Option 1
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Four Weight Options Method 3, Gr. 9-12
Option 2
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Four Weight Options Method 3, Gr. 9-12
Option 3
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Four Weight Options Method 3, Gr. 9-12
Option 4
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2004 API BaseWeights Gr. 9-12(PSAA Committee
recommendation Option 3)