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	2228158	2426	-	2436	=	-10	*	(25	/	184)	=	-1.35869565
4	2228159	2431	-	2485	=	-54	*	(21	/	184)	=	-6.16304344
5	2228162	2491	-	2528	=	-37	*	(35	/	184)	=	-7.03804347
6	2228163	2506	-	2552	=	-46	*	(44	/	184)	=	-10.99999996
7	2228166	2517	-	2567	=	-50	*	(27	/	184)	=	-7.3369565
8	2228167	2525	-	2586	=	-61	*	(32	/	184)	=	-10.60869562
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Innovations Academy											-44

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	68341	2401	-	2436	=	-35	*	(25	/	193)	=	-4.53367873
4	68343	2419	-	2485	=	-66	*	(28	/	193)	=	-9.57512952
5	68345	2469	-	2528	=	-59	*	(27	/	193)	=	-8.25388601
6	68348	2492	-	2552	=	-60	*	(47	/	193)	=	-14.61139896
7	68350	2530	-	2567	=	-37	*	(41	/	193)	=	-7.86010362
8	68351	2548	-	2586	=	-38	*	(25	/	193)	=	-4.92227976
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Innovations Academy											-50

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	70159	2398	-	2436	=	-38	*	(42	/	223)	=	-7.15695067
4	70160	2445	-	2485	=	-40	*	(30	/	223)	=	-5.38116588
5	70162	2464	-	2528	=	-64	*	(24	/	223)	=	-6.88789235
6	70165	2499	-	2552	=	-53	*	(42	/	223)	=	-9.98206277
7	70166	2505	-	2567	=	-62	*	(44	/	223)	=	-12.23318385
8	70168	2521	-	2586	=	-65	*	(41	/	223)	=	-11.95067263
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Innovations Academy											-54

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	70300	2412	-	2436	=	-24	*	(44	/	228)	=	-4.63157894
4	70302	2457	-	2485	=	-28	*	(45	/	228)	=	-5.52631579
5	70304	2508	-	2528	=	-20	*	(33	/	228)	=	-2.89473684
6	70306	2524	-	2552	=	-28	*	(24	/	228)	=	-2.9473684
7	70308	2530	-	2567	=	-37	*	(40	/	228)	=	-6.49122805
8	70310	2542	-	2586	=	-44	*	(42	/	228)	=	-8.10526314
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Innovations Academy											-31

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	70818	2431	-	2436	=	-5	*	(49	/	251)	=	-0.97609562
4	70819	2480	-	2485	=	-5	*	(51	/	251)	=	-1.01593625
5	70820	2479	-	2528	=	-49	*	(47	/	251)	=	-9.1752988
6	70821	2527	-	2552	=	-25	*	(34	/	251)	=	-3.38645418
7	70822	2478	-	2567	=	-89	*	(24	/	251)	=	-8.50996008
8	70823	2541	-	2586	=	-45	*	(46	/	251)	=	-8.24701194
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Innovations Academy											-31

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-44	-50	-54	-31	-31	-210.0	-42.0

Compute the Upper Control Limit

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

Compute the Lower Control Limit

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

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	26%	23%	26%	28%	25%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file