George Washington Elementary (Data source)
Source data for George Washington 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 | 2465022 | 2364 | - | 2436 | = | -72 | * | (31 | / | 174) | = | -12.82758617 | ||
| 4 | 2465025 | 2369 | - | 2485 | = | -116 | * | (31 | / | 174) | = | -20.6666666 | ||
| 5 | 2465026 | 2424 | - | 2528 | = | -104 | * | (32 | / | 174) | = | -19.12643668 | ||
| 6 | 2465029 | 2489 | - | 2552 | = | -63 | * | (25 | / | 174) | = | -9.05172408 | ||
| 7 | 2465030 | 2449 | - | 2567 | = | -118 | * | (30 | / | 174) | = | -20.34482757 | ||
| 8 | 2465033 | 2499 | - | 2586 | = | -87 | * | (25 | / | 174) | = | -12.49999992 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for George Washington Elementary | -95 | ||||||||||||
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 | 75178 | 2395 | - | 2436 | = | -41 | * | (31 | / | 174) | = | -7.30459768 | ||
| 4 | 75179 | 2421 | - | 2485 | = | -64 | * | (28 | / | 174) | = | -10.29885056 | ||
| 5 | 75181 | 2425 | - | 2528 | = | -103 | * | (28 | / | 174) | = | -16.57471262 | ||
| 6 | 75184 | 2435 | - | 2552 | = | -117 | * | (30 | / | 174) | = | -20.17241378 | ||
| 7 | 75185 | 2493 | - | 2567 | = | -74 | * | (27 | / | 174) | = | -11.48275856 | ||
| 8 | 75187 | 2464 | - | 2586 | = | -122 | * | (30 | / | 174) | = | -21.03448275 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for George Washington Elementary | -87 | ||||||||||||
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 | 77189 | 2411 | - | 2436 | = | -25 | * | (28 | / | 174) | = | -4.0229885 | ||
| 4 | 77191 | 2423 | - | 2485 | = | -62 | * | (33 | / | 174) | = | -11.75862066 | ||
| 5 | 77192 | 2467 | - | 2528 | = | -61 | * | (30 | / | 174) | = | -10.51724137 | ||
| 6 | 77195 | 2417 | - | 2552 | = | -135 | * | (26 | / | 174) | = | -20.17241375 | ||
| 7 | 77197 | 2479 | - | 2567 | = | -88 | * | (30 | / | 174) | = | -15.17241378 | ||
| 8 | 77198 | 2485 | - | 2586 | = | -101 | * | (27 | / | 174) | = | -15.67241371 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for George Washington Elementary | -77 | ||||||||||||
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 | 77369 | 2430 | - | 2436 | = | -6 | * | (26 | / | 167) | = | -0.93413173 | ||
| 4 | 77371 | 2408 | - | 2485 | = | -77 | * | (22 | / | 167) | = | -10.1437125 | ||
| 5 | 77373 | 2398 | - | 2528 | = | -130 | * | (31 | / | 167) | = | -24.13173646 | ||
| 6 | 77375 | 2444 | - | 2552 | = | -108 | * | (31 | / | 167) | = | -20.04790414 | ||
| 7 | 77377 | 2458 | - | 2567 | = | -109 | * | (29 | / | 167) | = | -18.92814365 | ||
| 8 | 77379 | 2478 | - | 2586 | = | -108 | * | (28 | / | 167) | = | -18.10778436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for George Washington Elementary | -92 | ||||||||||||
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 | 77890 | 2392 | - | 2436 | = | -44 | * | (23 | / | 165) | = | -6.13333332 | ||
| 4 | 77891 | 2442 | - | 2485 | = | -43 | * | (26 | / | 165) | = | -6.77575755 | ||
| 5 | 77892 | 2445 | - | 2528 | = | -83 | * | (26 | / | 165) | = | -13.07878783 | ||
| 6 | 77893 | 2437 | - | 2552 | = | -115 | * | (30 | / | 165) | = | -20.90909082 | ||
| 7 | 77894 | 2529 | - | 2567 | = | -38 | * | (31 | / | 165) | = | -7.13939391 | ||
| 8 | 77895 | 2443 | - | 2586 | = | -143 | * | (29 | / | 165) | = | -25.13333323 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for George Washington Elementary | -79 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -95 | -87 | -77 | -92 | -79 | -430.0 | -86.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.0
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% | 78% | 90% | 86% | 78% |
| 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 Washington Elementary math proficiency
Zero+ meets standard.
86% less $meal
75% less $meal
86% less $meal
82% less $meal
74% 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.