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	1444463	2467	-	2436	=	31	*	(48	/	217)	=	6.85714284
4	1444466	2506	-	2485	=	21	*	(80	/	217)	=	7.74193547
5	1444467	2540	-	2528	=	12	*	(89	/	217)	=	4.92165898
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Tijeras Creek Elementary											20

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	45457	2463	-	2436	=	27	*	(65	/	208)	=	8.4375
4	45458	2521	-	2485	=	36	*	(58	/	208)	=	10.03846151
5	45461	2547	-	2528	=	19	*	(85	/	208)	=	7.76442307
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Tijeras Creek Elementary											26

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	46667	2461	-	2436	=	25	*	(57	/	185)	=	7.7027027
4	46669	2497	-	2485	=	12	*	(67	/	185)	=	4.34594594
5	46670	2543	-	2528	=	15	*	(61	/	185)	=	4.94594594
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Tijeras Creek Elementary											17

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	46677	2467	-	2436	=	31	*	(61	/	189)	=	10.00529098
4	46678	2498	-	2485	=	13	*	(62	/	189)	=	4.26455026
5	46681	2554	-	2528	=	26	*	(66	/	189)	=	9.07936507
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Tijeras Creek Elementary											23

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	46859	2489	-	2436	=	53	*	(49	/	169)	=	15.36686388
4	46860	2513	-	2485	=	28	*	(54	/	169)	=	8.94674556
5	46861	2560	-	2528	=	32	*	(66	/	169)	=	12.49704141
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Tijeras Creek Elementary											37

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
20	26	17	23	37	123.0	24.6

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 45.6

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: 3.6

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	4%	7%	6%	9%	9%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file