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	2136866	2401	-	2436	=	-35	*	(80	/	312)	=	-8.97435896
4	2136867	2430	-	2485	=	-55	*	(70	/	312)	=	-12.33974357
5	2136870	2476	-	2528	=	-52	*	(81	/	312)	=	-13.49999997
6	2136871	2510	-	2552	=	-42	*	(81	/	312)	=	-10.90384613
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valle Lindo Elementary											-46

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	65602	2436	-	2436	=	0	*	(78	/	314)	=	0.0
4	65605	2441	-	2485	=	-44	*	(75	/	314)	=	-10.50955413
5	65607	2461	-	2528	=	-67	*	(74	/	314)	=	-15.78980886
6	65609	2522	-	2552	=	-30	*	(87	/	314)	=	-8.31210189
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valle Lindo Elementary											-35

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	67421	2454	-	2436	=	18	*	(57	/	276)	=	3.7173913
4	67423	2459	-	2485	=	-26	*	(75	/	276)	=	-7.06521738
5	67425	2468	-	2528	=	-60	*	(77	/	276)	=	-16.73913042
6	67427	2487	-	2552	=	-65	*	(67	/	276)	=	-15.7789855
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valle Lindo Elementary											-36

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	67527	2446	-	2436	=	10	*	(62	/	264)	=	2.34848484
4	67529	2461	-	2485	=	-24	*	(53	/	264)	=	-4.8181818
5	67531	2489	-	2528	=	-39	*	(74	/	264)	=	-10.93181817
6	67533	2515	-	2552	=	-37	*	(75	/	264)	=	-10.51136363
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valle Lindo 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	68042	2460	-	2436	=	24	*	(67	/	253)	=	6.35573122
4	68043	2453	-	2485	=	-32	*	(59	/	253)	=	-7.46245059
5	68044	2499	-	2528	=	-29	*	(53	/	253)	=	-6.07509881
6	68045	2496	-	2552	=	-56	*	(74	/	253)	=	-16.37944661
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valle Lindo Elementary											-24

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-46	-35	-36	-24	-24	-165.0	-33.0

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: -6.0

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.0

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	57%	57%	59%	59%	58%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file