2015

Step 1				Step 2				Step 3
Get Mean Scale Score from line numbers in this data file.				Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard				Multiply Distance From Standard by proportion of students in grade.
Grade	Line number	Mean Scale Score	-	Scale Score: met min	=	Distance from standard	*	(Students tested in grade	/	Students) tested in school	=	Weighted Distance From Standard
3	81962	2371	-	2436	=	-65	*	(63	/	122)	=	-33.56557373
4	81965	2369	-	2485	=	-116	*	(29	/	122)	=	-27.57377049
5	81966	2451	-	2528	=	-77	*	(30	/	122)	=	-18.9344262
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Aspire College Academy											-80

2016

Step 1				Step 2				Step 3
Get Mean Scale Score from line numbers in this data file.				Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard				Multiply Distance From Standard by proportion of students in grade.
Grade	Line number	Mean Scale Score	-	Scale Score: met min	=	Distance from standard	*	(Students tested in grade	/	Students) tested in school	=	Weighted Distance From Standard
3	2253	2386	-	2436	=	-50	*	(66	/	151)	=	-21.8543046
4	2255	2422	-	2485	=	-63	*	(56	/	151)	=	-23.3642384
5	2257	2449	-	2528	=	-79	*	(29	/	151)	=	-15.17218542
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Aspire College Academy											-60

2017

Step 1				Step 2				Step 3
Get Mean Scale Score from line numbers in this data file.				Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard				Multiply Distance From Standard by proportion of students in grade.
Grade	Line number	Mean Scale Score	-	Scale Score: met min	=	Distance from standard	*	(Students tested in grade	/	Students) tested in school	=	Weighted Distance From Standard
3	2311	2395	-	2436	=	-41	*	(41	/	150)	=	-11.20666665
4	2313	2406	-	2485	=	-79	*	(60	/	150)	=	-31.6
5	2316	2433	-	2528	=	-95	*	(49	/	150)	=	-31.03333327
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Aspire College Academy											-74

2018

Step 1				Step 2				Step 3
Get Mean Scale Score from line numbers in this data file.				Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard				Multiply Distance From Standard by proportion of students in grade.
Grade	Line number	Mean Scale Score	-	Scale Score: met min	=	Distance from standard	*	(Students tested in grade	/	Students) tested in school	=	Weighted Distance From Standard
3	2303	2415	-	2436	=	-21	*	(43	/	133)	=	-6.78947367
4	2306	2438	-	2485	=	-47	*	(38	/	133)	=	-13.4285714
5	2307	2446	-	2528	=	-82	*	(52	/	133)	=	-32.06015033
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Aspire College Academy											-52

2019

Step 1				Step 2				Step 3
Get Mean Scale Score from line numbers in this data file.				Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard				Multiply Distance From Standard by proportion of students in grade.
Grade	Line number	Mean Scale Score	-	Scale Score: met min	=	Distance from standard	*	(Students tested in grade	/	Students) tested in school	=	Weighted Distance From Standard
3	2313	2413	-	2436	=	-23	*	(46	/	130)	=	-8.13846152
4	2314	2429	-	2485	=	-56	*	(42	/	130)	=	-18.09230769
5	2315	2441	-	2528	=	-87	*	(42	/	130)	=	-28.1076923
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Aspire College Academy											-54

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-80	-60	-74	-52	-54	-320.0	-64.0

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average:

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average:

For the lines, you have the data necessary to plot the chart.

Very last step

The percent of students getting a Free or Reduced Price Meal comes from the following sources:

	2015	2016	2017	2018	2019
Percent	95%	93%	93%	94%	86%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file