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	84386	2363	-	2436	=	-73	*	(43	/	138)	=	-22.74637675
4	84389	2412	-	2485	=	-73	*	(46	/	138)	=	-24.33333331
5	84390	2433	-	2528	=	-95	*	(49	/	138)	=	-33.73188399
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Aspire Triumph Technology Academy											-81

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	2337	2377	-	2436	=	-59	*	(41	/	137)	=	-17.65693425
4	2339	2413	-	2485	=	-72	*	(47	/	137)	=	-24.7007299
5	2341	2420	-	2528	=	-108	*	(49	/	137)	=	-38.62773716
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Aspire Triumph Technology Academy											-81

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	2396	2403	-	2436	=	-33	*	(47	/	140)	=	-11.07857141
4	2397	2421	-	2485	=	-64	*	(45	/	140)	=	-20.57142854
5	2400	2424	-	2528	=	-104	*	(48	/	140)	=	-35.65714277
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Aspire Triumph Technology Academy											-67

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	2388	2395	-	2436	=	-41	*	(50	/	143)	=	-14.33566431
4	2389	2438	-	2485	=	-47	*	(45	/	143)	=	-14.79020976
5	2392	2435	-	2528	=	-93	*	(48	/	143)	=	-31.21678316
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Aspire Triumph Technology Academy											-60

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	2399	2388	-	2436	=	-48	*	(50	/	148)	=	-16.21621618
4	2400	2449	-	2485	=	-36	*	(51	/	148)	=	-12.40540538
5	2401	2478	-	2528	=	-50	*	(47	/	148)	=	-15.87837835
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Aspire Triumph Technology Academy											-44

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-81	-81	-67	-60	-44	-333.0	-66.6

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	93%	93%	92%	96%	95%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file