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	2136491	2429	-	2436	=	-7	*	(76	/	243)	=	-2.18930041
4	2136494	2490	-	2485	=	5	*	(61	/	243)	=	1.25514403
5	2136495	2478	-	2528	=	-50	*	(45	/	243)	=	-9.25925925
6	2136498	2547	-	2552	=	-5	*	(61	/	243)	=	-1.25514403
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sunnyside Elementary											-11

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	65592	2471	-	2436	=	35	*	(51	/	233)	=	7.6609442
4	65595	2486	-	2485	=	1	*	(78	/	233)	=	0.33476395
5	65597	2505	-	2528	=	-23	*	(52	/	233)	=	-5.1330472
6	65599	2569	-	2552	=	17	*	(52	/	233)	=	3.79399141
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sunnyside Elementary											7

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	67411	2461	-	2436	=	25	*	(55	/	244)	=	5.6352459
4	67413	2504	-	2485	=	19	*	(50	/	244)	=	3.89344261
5	67414	2521	-	2528	=	-7	*	(81	/	244)	=	-2.32377049
6	67416	2516	-	2552	=	-36	*	(58	/	244)	=	-8.55737705
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sunnyside Elementary											-1

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	67516	2435	-	2436	=	-1	*	(50	/	242)	=	-0.20661157
4	67518	2500	-	2485	=	15	*	(58	/	242)	=	3.59504132
5	67520	2544	-	2528	=	16	*	(51	/	242)	=	3.37190082
6	67522	2537	-	2552	=	-15	*	(83	/	242)	=	-5.14462809
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sunnyside Elementary											2

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	68032	2461	-	2436	=	25	*	(63	/	227)	=	6.93832598
4	68033	2479	-	2485	=	-6	*	(56	/	227)	=	-1.48017621
5	68034	2524	-	2528	=	-4	*	(61	/	227)	=	-1.07488986
6	68035	2572	-	2552	=	20	*	(47	/	227)	=	4.14096916
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sunnyside Elementary											9

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-11	7	-1	2	9	6.0	1.2

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 22.2

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.8

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	35%	37%	32%	35%	35%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file