George W. Bush Elementary (Data source)
Source data for George W. Bush 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 | 2442153 | 2395 | - | 2436 | = | -41 | * | (98 | / | 571) | = | -7.03677756 | ||
| 4 | 2442156 | 2438 | - | 2485 | = | -47 | * | (96 | / | 571) | = | -7.90192642 | ||
| 5 | 2442157 | 2442 | - | 2528 | = | -86 | * | (92 | / | 571) | = | -13.85639224 | ||
| 6 | 2442160 | 2467 | - | 2552 | = | -85 | * | (99 | / | 571) | = | -14.73730298 | ||
| 7 | 2442161 | 2520 | - | 2567 | = | -47 | * | (92 | / | 571) | = | -7.57267948 | ||
| 8 | 2442164 | 2482 | - | 2586 | = | -104 | * | (94 | / | 571) | = | -17.12084057 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for George W. Bush Elementary | -68 | ||||||||||||
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 | 74525 | 2388 | - | 2436 | = | -48 | * | (90 | / | 552) | = | -7.82608694 | ||
| 4 | 74528 | 2435 | - | 2485 | = | -50 | * | (95 | / | 552) | = | -8.60507245 | ||
| 5 | 74529 | 2464 | - | 2528 | = | -64 | * | (89 | / | 552) | = | -10.31884058 | ||
| 6 | 74532 | 2497 | - | 2552 | = | -55 | * | (95 | / | 552) | = | -9.4655797 | ||
| 7 | 74533 | 2496 | - | 2567 | = | -71 | * | (91 | / | 552) | = | -11.70471011 | ||
| 8 | 74535 | 2524 | - | 2586 | = | -62 | * | (92 | / | 552) | = | -10.33333329 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for George W. Bush Elementary | -58 | ||||||||||||
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 | 76513 | 2383 | - | 2436 | = | -53 | * | (120 | / | 594) | = | -10.70707071 | ||
| 4 | 76514 | 2419 | - | 2485 | = | -66 | * | (93 | / | 594) | = | -10.3333333 | ||
| 5 | 76516 | 2470 | - | 2528 | = | -58 | * | (98 | / | 594) | = | -9.56902351 | ||
| 6 | 76518 | 2499 | - | 2552 | = | -53 | * | (97 | / | 594) | = | -8.65488214 | ||
| 7 | 76521 | 2497 | - | 2567 | = | -70 | * | (88 | / | 594) | = | -10.37037036 | ||
| 8 | 76522 | 2510 | - | 2586 | = | -76 | * | (98 | / | 594) | = | -12.53872046 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for George W. Bush Elementary | -62 | ||||||||||||
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 | 76695 | 2378 | - | 2436 | = | -58 | * | (80 | / | 548) | = | -8.46715326 | ||
| 4 | 76697 | 2449 | - | 2485 | = | -36 | * | (101 | / | 548) | = | -6.63503648 | ||
| 5 | 76699 | 2457 | - | 2528 | = | -71 | * | (96 | / | 548) | = | -12.43795615 | ||
| 6 | 76701 | 2492 | - | 2552 | = | -60 | * | (96 | / | 548) | = | -10.51094886 | ||
| 7 | 76703 | 2510 | - | 2567 | = | -57 | * | (90 | / | 548) | = | -9.36131383 | ||
| 8 | 76705 | 2489 | - | 2586 | = | -97 | * | (85 | / | 548) | = | -15.04562043 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for George W. Bush Elementary | -62 | ||||||||||||
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 | 77202 | 2408 | - | 2436 | = | -28 | * | (97 | / | 540) | = | -5.02962961 | ||
| 4 | 77203 | 2407 | - | 2485 | = | -78 | * | (85 | / | 540) | = | -12.27777775 | ||
| 5 | 77204 | 2445 | - | 2528 | = | -83 | * | (97 | / | 540) | = | -14.90925921 | ||
| 6 | 77205 | 2486 | - | 2552 | = | -66 | * | (88 | / | 540) | = | -10.75555549 | ||
| 7 | 77206 | 2506 | - | 2567 | = | -61 | * | (84 | / | 540) | = | -9.48888886 | ||
| 8 | 77207 | 2506 | - | 2586 | = | -80 | * | (89 | / | 540) | = | -13.18518512 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for George W. Bush Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -58 | -62 | -62 | -66 | -316.0 | -63.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.2
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% | 81% | 84% | 81% | 75% |
| 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.
George W. Bush Elementary math proficiency
Zero+ meets standard.
76% less $meal
69% less $meal
72% less $meal
75% less $meal
67% 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.