SECTION V.B. 

SI
NIFICANT DISPROPORTIONALITY 
 	

Introduction: 

In accordance with 34 CFR § 300.647 (b)(7), States are required to report to the Secretary risk ratio thresholds, 

minimum cell sizes, minimum n-sizes, standards for measuring reasonable progress, if appropriate, and rationales for 

each. In general, these rationales must contain justifications for the choices made, including all relevant data and 

research relied upon to make an informed choice and how the State included stakeholders in that process. Additionally, 

pursuant to the authority established in ^ection 618(a)(3) of the IDEA, the Secretary is also requiring States to report 

the number of years of data used by your State in making annual determinations of significant disproportionality.  

Section A: Minimum N-Sizes 

1. Has the State:

a. established a minimum n-size of 30 or less in each of the 14 categories of analysis

described in § 300.647(b)(3) and (4) and

b. verified that the State does not expect to have a comparison group in any of the

categories of analysis that meets the minimum n-size?

zĞƐ EŽ

If you answered YES to question 1, stop. 'Ž ƚŽ WaŐĞ 1κ͕ ĞŶƚĞƌ ƚŚĞ ŶaŵĞ͕ ƚŝƚůĞ aŶĚ ĐůŝĐŬ Η^ƵbŵŝƚΗ.

2. Does your State use a presumptively reasonable minimum n-size of 30 or less for each of

the 14 categories of analysis described in § 300.647(b)(3) and (4)? zĞƐ EŽ

If you answered YES to question 2 please answer question 2a: 

2a.  Does your State use the same minimum n-size for all categories of analysis?  zĞƐ EŽ

If you answered YES to question 2a: 

• Fill in Table 1 below by providing the minimum n-size and rationale.

If you answered NO to question 2a: 

• Fill in Table 2 below by providing the minimum n-sizes and rationales for each category of

analysis.

If you answered NO to question 2 please read below and answer question 2b: 

Minimum N-Size Detailed Rationale(s) Required 

In addition to the justification described in the Introduction, the rationale(s) must include a detailed explanation 

of why the numbers chosen are reasonable and how they ensure that the State is appropriately analyzing and 

identifying LEAs with significant disparities based on race and ethnicity in the identification, placement, or 

discipline of children with disabilities, as required by § 300.647(b)(7). 

2b.  Does your State use the same minimum n-size for all categories of analysis?  zĞƐ EŽ

If you answered YES to question 2b: 

• Fill in Table 1 below by providing the minimum n-size and detailed rationale.

If you answered NO to question 2b: 

• Fill in Table 2 below by providing the minimum n-sizes and detailed rationales for each category

of analysis over 30.

Part B Annual State Application: FFY 2020 Section V -2 

OMB No. 1820-0030/Expiration Date – 1-31-2023

Select State/Entity
— Same Minimum N-Size for all Categories of Analysis 

mum 

Size

Rationale 

(detailed rationale required if minimum n-size is more than 30)

— Multiple Minimum N-Sizes 

mum 

Size

Rationale 

(detailed rationale required if minimum n-size is more than 30) 

 Section V -3

-2023
mum 

Size

Rationale 

(detailed rationale required if minimum n-size is more than 30) 

Section V -4

-2023
mum 

Size

Rationale 

(detailed rationale required if minimum n-size is more than 30) 

Cell Sizes 

mptively reasonable minimum cell size of 10 or less for each

ysis described in § 300.647(b)(3) and (4)? zĞƐ EŽ

 3 please answer question 3a: 

ly use one minimum cell size of 10 or less for 

alysis?  zĞƐ EŽ

question 3a: 

low by providing the minimum cell size and rationale.

question 3a: 

low by providing the minimum cell sizes and rationales for each category of analysis.

Section V -5

2023
 3 please read below and answer question 3b: 

iled Rationale(s) Required 

cation described in the Introduction, the rationales must include a detailed explanation of why the numbers chosen are 

y ensure that the State is appropriately analyzing and identifying LEAs with significant disparities, based on race and ethnicity, 

cement, or discipline of children with disabilities, as required by § 300.647(b)(7). 

e the same minimum cell size for all categories of analysis?  zĞƐ EŽ

question 3b: 

low by providing the minimum cell size and detailed rationale.

question 3b: 

low by providing the minimum cell size and detailed rationales for each category of analysis over 10.

e — Same Minimum Cell Size for all Categories of Analysis 

mum 

 Size 

Rationale 

(detailed rationale required if minimum cell size is more than 10) 

e — Multiple Minimum Cell Sizes 

Minimum Cell 

Size 

Rationale 

(detailed rationale required if minimum cell size is more than 10) 

Section V -6

2023
Minimum Cell 

Size 

Rationale 

(detailed rationale required if minimum cell size is more than 10) 

Section V -7

2023
Minimum Cell 

Size 

Rationale 

(detailed rationale required if minimum cell size is more than 10) 

  

Thresholds 

k ratio threshold for each of the 14 categories of

647(b)(3) and (4)? zĞƐ EŽ

question 4: 

low by providing the risk ratio threshold and rationale.

question 4: 

low by providing the risk ratio thresholds and rationales for each category of analysis.

Section V -8

023
me Risk Ratio Threshold for all Categories of Analysis 

Ratio 

shold Rationale 

ultiple Risk Ratio Thresholds 

Risk Ratio 

Threshold Rationale 

Section V -9

-2023
Risk Ratio 

Threshold Rationale 

 Section V -10

2023
Risk Ratio 

Threshold Rationale 

e Progress 

easonable progress flexibility? zĞƐ EŽ

 5, proceed to question 6. 

ze the same reasonable progress flexibility for each of 

 analysis described in § 300.647(b)(3) and (4)?  zĞƐ EŽ

question 5a: 

low by providing the State’s standard for measuring reasonable progress and rationale.

question 5a: 

low by providing the State’s standards for reasonable progress and the rationale for each category of analysis.

Section V -11

1-2023
ress — Same Standard for all Categories of Analysis 

dard Rationale 

ress — Multiple Standards 

dard Rationale 

Section V -12

2023
dard Rationale 

Section V -13

2023
dard Rationale 

f Years of Data 

e number of years of data in making annual

t disproportionality for each of the 14 categories of

647(b)(3) and (4)?

zĞƐ EŽ

tion 6: 

 by providing the number of years of data the State uses in making annual determinations of significant disproportionality.

tion 6: 

w by providing the number of years of data the State uses in making annual determinations of significant disproportionality for

alysis.

Same Number of Years Used for all Categories of Analysis 

alysis Number of Years of Data Used 

 Section V -14

2023
 Multiple Number of Years of Data Used 

alysis Number of Years of Data Used 

nts 

than 40% of day 

idential facilities 

days days 

ƚŚĞ &Žƌŵ͗ 

Ğ &Žƌŵ͗ 

Section V -15

023