Anderson Elementary (Data source)
Source data for Anderson 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 | 1165779 | 2430 | - | 2436 | = | -6 | * | (81 | / | 223) | = | -2.17937219 | ||
| 4 | 1165780 | 2469 | - | 2485 | = | -16 | * | (57 | / | 223) | = | -4.0896861 | ||
| 5 | 1165783 | 2460 | - | 2528 | = | -68 | * | (62 | / | 223) | = | -18.90582954 | ||
| 6 | 1165784 | 2503 | - | 2552 | = | -49 | * | (23 | / | 223) | = | -5.05381164 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Anderson Elementary | -30 | ||||||||||||
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 | 36302 | 2438 | - | 2436 | = | 2 | * | (78 | / | 259) | = | 0.6023166 | ||
| 4 | 36303 | 2458 | - | 2485 | = | -27 | * | (73 | / | 259) | = | -7.61003859 | ||
| 5 | 36305 | 2511 | - | 2528 | = | -17 | * | (58 | / | 259) | = | -3.80694979 | ||
| 6 | 36307 | 2536 | - | 2552 | = | -16 | * | (34 | / | 259) | = | -2.1003861 | ||
| 7 | 36310 | 2528 | - | 2567 | = | -39 | * | (16 | / | 259) | = | -2.40926638 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Anderson Elementary | -15 | ||||||||||||
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 | 37061 | 2449 | - | 2436 | = | 13 | * | (64 | / | 273) | = | 3.04761904 | ||
| 4 | 37063 | 2457 | - | 2485 | = | -28 | * | (68 | / | 273) | = | -6.97435897 | ||
| 5 | 37066 | 2494 | - | 2528 | = | -34 | * | (68 | / | 273) | = | -8.46886447 | ||
| 6 | 37068 | 2533 | - | 2552 | = | -19 | * | (33 | / | 273) | = | -2.29670328 | ||
| 7 | 37070 | 2572 | - | 2567 | = | 5 | * | (26 | / | 273) | = | 0.47619048 | ||
| 8 | 37071 | 2593 | - | 2586 | = | 7 | * | (14 | / | 273) | = | 0.35897436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Anderson Elementary | -14 | ||||||||||||
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 | 37034 | 2441 | - | 2436 | = | 5 | * | (65 | / | 285) | = | 1.14035088 | ||
| 4 | 37036 | 2470 | - | 2485 | = | -15 | * | (62 | / | 285) | = | -3.26315789 | ||
| 5 | 37038 | 2504 | - | 2528 | = | -24 | * | (68 | / | 285) | = | -5.72631578 | ||
| 6 | 37040 | 2538 | - | 2552 | = | -14 | * | (34 | / | 285) | = | -1.67017543 | ||
| 7 | 37042 | 2573 | - | 2567 | = | 6 | * | (29 | / | 285) | = | 0.61052631 | ||
| 8 | 37044 | 2580 | - | 2586 | = | -6 | * | (27 | / | 285) | = | -0.56842105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Anderson Elementary | -9 | ||||||||||||
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 | 37239 | 2475 | - | 2436 | = | 39 | * | (75 | / | 304) | = | 9.62171051 | ||
| 4 | 37240 | 2474 | - | 2485 | = | -11 | * | (70 | / | 304) | = | -2.53289473 | ||
| 5 | 37241 | 2489 | - | 2528 | = | -39 | * | (67 | / | 304) | = | -8.5953947 | ||
| 6 | 37242 | 2542 | - | 2552 | = | -10 | * | (31 | / | 304) | = | -1.01973684 | ||
| 7 | 37243 | 2596 | - | 2567 | = | 29 | * | (30 | / | 304) | = | 2.86184209 | ||
| 8 | 37244 | 2558 | - | 2586 | = | -28 | * | (31 | / | 304) | = | -2.85526315 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Anderson Elementary | -3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -15 | -14 | -9 | -3 | -71.0 | -14.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.2
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% | 89% | 81% | 86% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton Unified school district | County of Los Angeles
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.
Anderson Elementary math proficiency
Zero+ meets standard.
76% less $meal
82% less $meal
75% less $meal
81% less $meal
75% 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.