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	1436674	2409	-	2436	=	-27	*	(60	/	162)	=	-9.99999999
4	1436675	2434	-	2485	=	-51	*	(66	/	162)	=	-20.77777776
5	1436678	2433	-	2528	=	-95	*	(36	/	162)	=	-21.11111109
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Viejo Elementary											-52

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	45233	2401	-	2436	=	-35	*	(61	/	183)	=	-11.66666666
4	45235	2456	-	2485	=	-29	*	(59	/	183)	=	-9.34972676
5	45237	2473	-	2528	=	-55	*	(63	/	183)	=	-18.93442623
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Viejo Elementary											-40

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	46442	2409	-	2436	=	-27	*	(72	/	184)	=	-10.56521737
4	46444	2466	-	2485	=	-19	*	(55	/	184)	=	-5.67934782
5	46446	2488	-	2528	=	-40	*	(57	/	184)	=	-12.39130432
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Viejo Elementary											-29

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	46453	2415	-	2436	=	-21	*	(72	/	199)	=	-7.59798995
4	46454	2461	-	2485	=	-24	*	(74	/	199)	=	-8.9246231
5	46457	2499	-	2528	=	-29	*	(53	/	199)	=	-7.72361808
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Viejo Elementary											-24

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	46635	2436	-	2436	=	0	*	(79	/	217)	=	0.0
4	46636	2469	-	2485	=	-16	*	(67	/	217)	=	-4.94009216
5	46637	2487	-	2528	=	-41	*	(71	/	217)	=	-13.41474654
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Viejo Elementary											-18

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-52	-40	-29	-24	-18	-163.0	-32.6

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 6.4

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.6

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	62%	56%	52%	52%	49%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file