Newhall Elementary (Data source)
Source data for Newhall 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 | 1045373 | 2402 | - | 2436 | = | -34 | * | (98 | / | 351) | = | -9.49287749 | ||
| 4 | 1045376 | 2474 | - | 2485 | = | -11 | * | (82 | / | 351) | = | -2.56980056 | ||
| 5 | 1045377 | 2477 | - | 2528 | = | -51 | * | (89 | / | 351) | = | -12.9316239 | ||
| 6 | 1045380 | 2514 | - | 2552 | = | -38 | * | (82 | / | 351) | = | -8.87749285 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Newhall Elementary | -34 | ||||||||||||
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 | 32840 | 2403 | - | 2436 | = | -33 | * | (101 | / | 388) | = | -8.59020617 | ||
| 4 | 32843 | 2467 | - | 2485 | = | -18 | * | (102 | / | 388) | = | -4.73195875 | ||
| 5 | 32844 | 2506 | - | 2528 | = | -22 | * | (90 | / | 388) | = | -5.10309276 | ||
| 6 | 32847 | 2490 | - | 2552 | = | -62 | * | (95 | / | 388) | = | -15.18041232 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Newhall Elementary | -34 | ||||||||||||
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 | 33407 | 2436 | - | 2436 | = | 0 | * | (91 | / | 376) | = | 0.0 | ||
| 4 | 33408 | 2470 | - | 2485 | = | -15 | * | (101 | / | 376) | = | -4.02925532 | ||
| 5 | 33411 | 2512 | - | 2528 | = | -16 | * | (98 | / | 376) | = | -4.17021275 | ||
| 6 | 33413 | 2525 | - | 2552 | = | -27 | * | (86 | / | 376) | = | -6.17553191 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Newhall 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 | 33430 | 2440 | - | 2436 | = | 4 | * | (73 | / | 370) | = | 0.78918919 | ||
| 4 | 33432 | 2498 | - | 2485 | = | 13 | * | (90 | / | 370) | = | 3.16216216 | ||
| 5 | 33434 | 2492 | - | 2528 | = | -36 | * | (100 | / | 370) | = | -9.72972972 | ||
| 6 | 33436 | 2517 | - | 2552 | = | -35 | * | (107 | / | 370) | = | -10.12162162 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Newhall Elementary | -16 | ||||||||||||
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 | 33607 | 2437 | - | 2436 | = | 1 | * | (103 | / | 384) | = | 0.26822917 | ||
| 4 | 33608 | 2480 | - | 2485 | = | -5 | * | (78 | / | 384) | = | -1.015625 | ||
| 5 | 33609 | 2497 | - | 2528 | = | -31 | * | (98 | / | 384) | = | -7.91145832 | ||
| 6 | 33610 | 2505 | - | 2552 | = | -47 | * | (105 | / | 384) | = | -12.8515625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Newhall Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -34 | -34 | -14 | -16 | -22 | -120.0 | -24.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 3.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.0
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 | 86% | 92% | 92% | 93% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Newhall 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.
Newhall Elementary math proficiency
Zero+ meets standard.
79% less $meal
82% less $meal
82% less $meal
86% less $meal
85% 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.