King Elementary (Data source)
Source data for King 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 | 2453861 | 2384 | - | 2436 | = | -52 | * | (125 | / | 604) | = | -10.76158938 | ||
| 4 | 2453862 | 2401 | - | 2485 | = | -84 | * | (99 | / | 604) | = | -13.76821186 | ||
| 5 | 2453865 | 2431 | - | 2528 | = | -97 | * | (100 | / | 604) | = | -16.05960256 | ||
| 6 | 2453866 | 2441 | - | 2552 | = | -111 | * | (95 | / | 604) | = | -17.45860925 | ||
| 7 | 2453869 | 2494 | - | 2567 | = | -73 | * | (93 | / | 604) | = | -11.24006616 | ||
| 8 | 2453870 | 2486 | - | 2586 | = | -100 | * | (92 | / | 604) | = | -15.231788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for King Elementary | -85 | ||||||||||||
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 | 74855 | 2404 | - | 2436 | = | -32 | * | (96 | / | 598) | = | -5.13712374 | ||
| 4 | 74857 | 2415 | - | 2485 | = | -70 | * | (119 | / | 598) | = | -13.92976585 | ||
| 5 | 74859 | 2443 | - | 2528 | = | -85 | * | (99 | / | 598) | = | -14.07190632 | ||
| 6 | 74862 | 2445 | - | 2552 | = | -107 | * | (98 | / | 598) | = | -17.53511699 | ||
| 7 | 74863 | 2471 | - | 2567 | = | -96 | * | (92 | / | 598) | = | -14.76923069 | ||
| 8 | 74866 | 2500 | - | 2586 | = | -86 | * | (94 | / | 598) | = | -13.51839461 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for King Elementary | -79 | ||||||||||||
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 | 76865 | 2410 | - | 2436 | = | -26 | * | (113 | / | 613) | = | -4.79282216 | ||
| 4 | 76866 | 2427 | - | 2485 | = | -58 | * | (96 | / | 613) | = | -9.08319736 | ||
| 5 | 76868 | 2434 | - | 2528 | = | -94 | * | (127 | / | 613) | = | -19.47471452 | ||
| 6 | 76871 | 2483 | - | 2552 | = | -69 | * | (96 | / | 613) | = | -10.80587272 | ||
| 7 | 76872 | 2475 | - | 2567 | = | -92 | * | (94 | / | 613) | = | -14.10766714 | ||
| 8 | 76874 | 2491 | - | 2586 | = | -95 | * | (87 | / | 613) | = | -13.48287111 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for King Elementary | -72 | ||||||||||||
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 | 77053 | 2425 | - | 2436 | = | -11 | * | (106 | / | 622) | = | -1.87459807 | ||
| 4 | 77055 | 2423 | - | 2485 | = | -62 | * | (118 | / | 622) | = | -11.76205782 | ||
| 5 | 77057 | 2450 | - | 2528 | = | -78 | * | (95 | / | 622) | = | -11.9131832 | ||
| 6 | 77059 | 2466 | - | 2552 | = | -86 | * | (116 | / | 622) | = | -16.03858514 | ||
| 7 | 77061 | 2499 | - | 2567 | = | -68 | * | (94 | / | 622) | = | -10.27652727 | ||
| 8 | 77063 | 2479 | - | 2586 | = | -107 | * | (93 | / | 622) | = | -15.99839219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for King Elementary | -68 | ||||||||||||
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 | 77576 | 2389 | - | 2436 | = | -47 | * | (124 | / | 645) | = | -9.03565891 | ||
| 4 | 77577 | 2431 | - | 2485 | = | -54 | * | (99 | / | 645) | = | -8.28837209 | ||
| 5 | 77578 | 2454 | - | 2528 | = | -74 | * | (112 | / | 645) | = | -12.84961234 | ||
| 6 | 77579 | 2453 | - | 2552 | = | -99 | * | (97 | / | 645) | = | -14.888372 | ||
| 7 | 77580 | 2485 | - | 2567 | = | -82 | * | (119 | / | 645) | = | -15.12868217 | ||
| 8 | 77581 | 2504 | - | 2586 | = | -82 | * | (94 | / | 645) | = | -11.95038759 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for King Elementary | -72 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -85 | -79 | -72 | -68 | -72 | -376.0 | -75.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -93.2
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 | 88% | 74% | 87% | 89% | 85% |
| 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.
King Elementary math proficiency
Zero+ meets standard.
83% less $meal
68% less $meal
82% less $meal
85% less $meal
80% 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.