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	1535445	2387	-	2436	=	-49	*	(88	/	235)	=	-18.34893617
4	1535446	2445	-	2485	=	-40	*	(76	/	235)	=	-12.9361702
5	1535449	2448	-	2528	=	-80	*	(71	/	235)	=	-24.17021272
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Adams Elementary											-55

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	48089	2396	-	2436	=	-40	*	(90	/	256)	=	-14.0625
4	48091	2444	-	2485	=	-41	*	(85	/	256)	=	-13.61328125
5	48092	2477	-	2528	=	-51	*	(81	/	256)	=	-16.13671875
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Adams Elementary											-44

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	49416	2394	-	2436	=	-42	*	(77	/	251)	=	-12.88446214
4	49418	2436	-	2485	=	-49	*	(90	/	251)	=	-17.56972111
5	49421	2467	-	2528	=	-61	*	(84	/	251)	=	-20.41434259
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Adams Elementary											-51

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	49430	2393	-	2436	=	-43	*	(67	/	228)	=	-12.63596491
4	49433	2466	-	2485	=	-19	*	(74	/	228)	=	-6.16666666
5	49434	2470	-	2528	=	-58	*	(87	/	228)	=	-22.13157893
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Adams Elementary											-41

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	49629	2385	-	2436	=	-51	*	(65	/	198)	=	-16.74242423
4	49630	2446	-	2485	=	-39	*	(67	/	198)	=	-13.19696968
5	49631	2482	-	2528	=	-46	*	(66	/	198)	=	-15.33333332
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Adams Elementary											-45

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-55	-44	-51	-41	-45	-236.0	-47.2

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: -32.2

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.2

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	87%	94%	88%	87%	86%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file