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	1542916	2369	-	2436	=	-67	*	(73	/	202)	=	-24.21287125
4	1542919	2407	-	2485	=	-78	*	(68	/	202)	=	-26.25742571
5	1542920	2444	-	2528	=	-84	*	(61	/	202)	=	-25.36633663
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jose Sepulveda Elementary											-76

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	48339	2345	-	2436	=	-91	*	(72	/	214)	=	-30.61682242
4	48340	2412	-	2485	=	-73	*	(74	/	214)	=	-25.24299062
5	48342	2421	-	2528	=	-107	*	(68	/	214)	=	-33.99999996
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jose Sepulveda Elementary											-90

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	49659	2386	-	2436	=	-50	*	(79	/	203)	=	-19.45812805
4	49661	2414	-	2485	=	-71	*	(58	/	203)	=	-20.28571424
5	49663	2450	-	2528	=	-78	*	(66	/	203)	=	-25.35960586
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jose Sepulveda Elementary											-65

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	49673	2373	-	2436	=	-63	*	(56	/	186)	=	-18.96774188
4	49675	2452	-	2485	=	-33	*	(77	/	186)	=	-13.6612903
5	49677	2446	-	2528	=	-82	*	(53	/	186)	=	-23.36559135
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jose Sepulveda Elementary											-56

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	49871	2378	-	2436	=	-58	*	(64	/	190)	=	-19.53684209
4	49872	2434	-	2485	=	-51	*	(55	/	190)	=	-14.76315788
5	49873	2487	-	2528	=	-41	*	(71	/	190)	=	-15.32105261
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jose Sepulveda Elementary											-50

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-76	-90	-65	-56	-50	-337.0	-67.4

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: -22.4

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.4

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	89%	95%	89%	88%	87%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file