2024 Illinois Science Assessment (ISA) Scale Score Proficiency Thresholds - Performance Level Descriptions

Oct 10, 2026

Uploaded by Ben

2024 Illinois Science Assessment (ISA) defines proficiency thresholds by grade, listing raw score ranges for Emerging, Developing, Proficient, and Exemplary levels at grades 5, 8, and 11. The document also provides performance-level descriptions for four levels, explaining how work at each level meets or exceeds the standard, including quality, accuracy, and the sophistication of applying science knowledge and skills. Emerging work is partial and incomplete, while Developing work shows inconsistent application.

LanguageEnglish

CategoryExam

FormatPDF

Pages1

Reading Time3 min

AccessFree to download

Scale Score Proficiency Thresholds

Grade 5

Grade 8

Grade 11

ISA Performance Level Descriptions

Level 4 Exemplary

Level 3 Proficient

Level 2 Developing

Level 1 Emerging

FAQs

What raw score ranges define each ISA proficiency level for grade 5?

For grade 5, Emerging is 0–29, Developing is 30–46, Proficient is 47–64, and Exemplary is 65–81 (with corresponding scale score bands shown in the table).

How does ISA Level 3 'Proficient' describe student performance?

Level 3 'Proficient' indicates work that meets the standard, demonstrates application of essential knowledge and skills, and may include minor errors or omissions without significantly reducing overall quality.

What characterizes ISA Level 1 'Emerging' performance?

Level 1 'Emerging' shows only partial application of knowledge and skills; work is superficial, fragmented or incomplete, needs considerable development, and contains errors or omissions.

Oct 10, 2026

Uploaded by Ben