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	2248813	2378	-	2436	=	-58	*	(46	/	234)	=	-11.40170937
4	2248816	2450	-	2485	=	-35	*	(37	/	234)	=	-5.53418803
5	2248817	2454	-	2528	=	-74	*	(40	/	234)	=	-12.64957258
6	2248820	2435	-	2552	=	-117	*	(38	/	234)	=	-18.99999995
7	2248821	2492	-	2567	=	-75	*	(48	/	234)	=	-15.38461538
8	2248824	2540	-	2586	=	-46	*	(25	/	234)	=	-4.91452988
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Fulton K-8											-69

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	69022	2406	-	2436	=	-30	*	(50	/	244)	=	-6.14754096
4	69024	2448	-	2485	=	-37	*	(45	/	244)	=	-6.82377047
5	69026	2476	-	2528	=	-52	*	(47	/	244)	=	-10.0163934
6	69027	2484	-	2552	=	-68	*	(30	/	244)	=	-8.36065569
7	69029	2465	-	2567	=	-102	*	(28	/	244)	=	-11.704918
8	69031	2531	-	2586	=	-55	*	(44	/	244)	=	-9.91803274
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Fulton K-8											-53

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	70855	2416	-	2436	=	-20	*	(37	/	227)	=	-3.25991188
4	70857	2443	-	2485	=	-42	*	(48	/	227)	=	-8.88105725
5	70858	2463	-	2528	=	-65	*	(45	/	227)	=	-12.88546253
6	70860	2500	-	2552	=	-52	*	(37	/	227)	=	-8.47577089
7	70862	2451	-	2567	=	-116	*	(34	/	227)	=	-17.37444926
8	70864	2431	-	2586	=	-155	*	(26	/	227)	=	-17.75330382
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Fulton K-8											-69

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	71000	2419	-	2436	=	-17	*	(40	/	238)	=	-2.85714284
4	71002	2434	-	2485	=	-51	*	(33	/	238)	=	-7.07142856
5	71004	2467	-	2528	=	-61	*	(47	/	238)	=	-12.04621845
6	71006	2479	-	2552	=	-73	*	(42	/	238)	=	-12.88235292
7	71007	2460	-	2567	=	-107	*	(42	/	238)	=	-18.88235292
8	71010	2450	-	2586	=	-136	*	(34	/	238)	=	-19.42857131
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Fulton K-8											-73

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	71490	2381	-	2436	=	-55	*	(31	/	213)	=	-8.00469483
4	71491	2468	-	2485	=	-17	*	(39	/	213)	=	-3.11267605
5	71492	2475	-	2528	=	-53	*	(29	/	213)	=	-7.2159624
6	71493	2502	-	2552	=	-50	*	(32	/	213)	=	-7.51173705
7	71494	2491	-	2567	=	-76	*	(39	/	213)	=	-13.91549292
8	71495	2476	-	2586	=	-110	*	(43	/	213)	=	-22.20657274
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Fulton K-8											-62

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-69	-53	-69	-73	-62	-326.0	-65.2

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: -44.2

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -86.2

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	85%	88%	90%	91%	82%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file