Kohl Open Elementary (Data source)
Source data for Kohl Open Elementary
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 | 2464356 | 2376 | - | 2436 | = | -60 | * | (26 | / | 142) | = | -10.98591546 | ||
4 | 2464357 | 2423 | - | 2485 | = | -62 | * | (27 | / | 142) | = | -11.78873239 | ||
5 | 2464360 | 2460 | - | 2528 | = | -68 | * | (27 | / | 142) | = | -12.92957746 | ||
6 | 2464361 | 2524 | - | 2552 | = | -28 | * | (21 | / | 142) | = | -4.14084504 | ||
7 | 2464364 | 2525 | - | 2567 | = | -42 | * | (23 | / | 142) | = | -6.80281686 | ||
8 | 2464365 | 2503 | - | 2586 | = | -83 | * | (18 | / | 142) | = | -10.52112673 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Kohl Open Elementary | -57 |
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 | 75149 | 2423 | - | 2436 | = | -13 | * | (25 | / | 146) | = | -2.22602739 | ||
4 | 75152 | 2447 | - | 2485 | = | -38 | * | (27 | / | 146) | = | -7.02739723 | ||
5 | 75153 | 2442 | - | 2528 | = | -86 | * | (25 | / | 146) | = | -14.72602734 | ||
6 | 75156 | 2522 | - | 2552 | = | -30 | * | (25 | / | 146) | = | -5.13698628 | ||
7 | 75158 | 2554 | - | 2567 | = | -13 | * | (22 | / | 146) | = | -1.9589041 | ||
8 | 75159 | 2517 | - | 2586 | = | -69 | * | (22 | / | 146) | = | -10.39726024 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Kohl Open Elementary | -41 |
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 | 77162 | 2380 | - | 2436 | = | -56 | * | (30 | / | 156) | = | -10.76923075 | ||
4 | 77164 | 2439 | - | 2485 | = | -46 | * | (27 | / | 156) | = | -7.96153846 | ||
5 | 77166 | 2450 | - | 2528 | = | -78 | * | (26 | / | 156) | = | -12.99999995 | ||
6 | 77168 | 2468 | - | 2552 | = | -84 | * | (25 | / | 156) | = | -13.46153844 | ||
7 | 77171 | 2518 | - | 2567 | = | -49 | * | (27 | / | 156) | = | -8.48076923 | ||
8 | 77172 | 2550 | - | 2586 | = | -36 | * | (21 | / | 156) | = | -4.84615382 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Kohl Open Elementary | -59 |
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 | 77347 | 2388 | - | 2436 | = | -48 | * | (22 | / | 155) | = | -6.81290318 | ||
4 | 77350 | 2405 | - | 2485 | = | -80 | * | (30 | / | 155) | = | -15.48387096 | ||
5 | 77352 | 2455 | - | 2528 | = | -73 | * | (27 | / | 155) | = | -12.716129 | ||
6 | 77353 | 2466 | - | 2552 | = | -86 | * | (25 | / | 155) | = | -13.87096769 | ||
7 | 77356 | 2471 | - | 2567 | = | -96 | * | (25 | / | 155) | = | -15.48387091 | ||
8 | 77357 | 2531 | - | 2586 | = | -55 | * | (26 | / | 155) | = | -9.22580643 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Kohl Open Elementary | -74 |
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 | 77870 | 2388 | - | 2436 | = | -48 | * | (25 | / | 156) | = | -7.69230768 | ||
4 | 77871 | 2426 | - | 2485 | = | -59 | * | (25 | / | 156) | = | -9.45512819 | ||
5 | 77872 | 2440 | - | 2528 | = | -88 | * | (30 | / | 156) | = | -16.9230769 | ||
6 | 77873 | 2477 | - | 2552 | = | -75 | * | (27 | / | 156) | = | -12.98076923 | ||
7 | 77874 | 2492 | - | 2567 | = | -75 | * | (24 | / | 156) | = | -11.53846148 | ||
8 | 77875 | 2503 | - | 2586 | = | -83 | * | (25 | / | 156) | = | -13.30128203 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Kohl Open Elementary | -72 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-57 | -41 | -59 | -74 | -72 | -303.0 | -60.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.6
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 | 55% | 42% | 50% | 45% | 40% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Kohl Open Elementary math proficiency
Zero+ meets standard.

40% less $meal

34% less $meal

37% less $meal

42% less $meal

37% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.