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WHISTLER

11533 S ADA St

Chicago, Illinois 60643

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Proficiency

Proficiency shows the percentage of students meeting grade-level standards on state tests.

ELA Proficiency

40.2%

 5.1% above network average

Math Proficiency

15.3%

 -0.6% below network average

Science Proficiency

Not Available

Where This Data Comes From

10

Grade 10

PreACT 10

9

Grade 9

PreACT 9

11-12

Grades 11-12

ACT

Note: In 2025, Illinois changed the scores students needed to reach to be considered proficient so that they would better match college and career expectations. Because of this change, 2024-25 results cannot be compared to past years.

Why This Matters

Proficiency shows how well students at a school are meeting state standards necessary to be ready for the next grade, college, or careers.

What It Can & Cannot Tell You

It Can Tell You:

  • Can show whether groups of students are meeting state expectations.
  • Can highlight where schools may need more support.

It Cannot Tell You:

  • Cannot capture everything students know or can do.
  • Cannot determine if a school is "good" or "bad" on its own — outside factors like demographics and resources also affect results.

IAR ELA (Illinois Assessment of Readiness)

 
 
 
 
 
 
 
 

IAR Math (Illinois Assessment of Readiness)

 
 
 
 
 
 
 
 
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Questions You May Ask the School

  • What supports are offered if groups of students are not meeting standards?
  • How is the school preparing students for next year’s expectations?

More About This Metric

View the Calculation Sheet to learn more about how this data is measured. [ English | Spanish ]

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CPS | 610225