Slide 20 of 33

3-8 Growth Model: Simplified Example

  • Level 3 Scale Score = 650.

  • Billy scores a 614 in Grade 3 ELA.

  • Billy is 36 points below proficiency (650- 614).

  • Billy has four years to become proficient.

  • Billy must close the gap by ¼ (9 points) in Grade 4.

  • Billy’s proficiency target in Grade 4 is 623 (614 + 9).

  • Billy scores 635 in Grade 4.

  • Billy now has three years to become proficient.

  • Billy must close the gap by 1/3 (5 points) in Grade 5.

  • Billy’s proficiency target in Grade 5 is 640 (635 + 5).