Joseph A. Gascon Elementary (Data source)
Source data for Joseph A. Gascon 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 | 1035331 | 2358 | - | 2436 | = | -78 | * | (135 | / | 438) | = | -24.04109588 | ||
| 4 | 1035332 | 2396 | - | 2485 | = | -89 | * | (153 | / | 438) | = | -31.08904105 | ||
| 5 | 1035335 | 2430 | - | 2528 | = | -98 | * | (150 | / | 438) | = | -33.56164379 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Joseph A. Gascon Elementary | -89 | ||||||||||||
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 | 32501 | 2382 | - | 2436 | = | -54 | * | (143 | / | 421) | = | -18.34204273 | ||
| 4 | 32502 | 2410 | - | 2485 | = | -75 | * | (135 | / | 421) | = | -24.04988123 | ||
| 5 | 32505 | 2427 | - | 2528 | = | -101 | * | (143 | / | 421) | = | -34.30641326 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Joseph A. Gascon Elementary | -77 | ||||||||||||
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 | 33073 | 2372 | - | 2436 | = | -64 | * | (130 | / | 389) | = | -21.38817478 | ||
| 4 | 33075 | 2429 | - | 2485 | = | -56 | * | (140 | / | 389) | = | -20.15424163 | ||
| 5 | 33076 | 2437 | - | 2528 | = | -91 | * | (119 | / | 389) | = | -27.83804624 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Joseph A. Gascon Elementary | -69 | ||||||||||||
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 | 33090 | 2386 | - | 2436 | = | -50 | * | (119 | / | 365) | = | -16.30136985 | ||
| 4 | 33093 | 2428 | - | 2485 | = | -57 | * | (115 | / | 365) | = | -17.9589041 | ||
| 5 | 33094 | 2445 | - | 2528 | = | -83 | * | (131 | / | 365) | = | -29.78904105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Joseph A. Gascon Elementary | -64 | ||||||||||||
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 | 33266 | 2397 | - | 2436 | = | -39 | * | (130 | / | 353) | = | -14.36260621 | ||
| 4 | 33267 | 2446 | - | 2485 | = | -39 | * | (113 | / | 353) | = | -12.48441925 | ||
| 5 | 33268 | 2447 | - | 2528 | = | -81 | * | (110 | / | 353) | = | -25.24079313 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Joseph A. Gascon Elementary | -52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -89 | -77 | -69 | -64 | -52 | -351.0 | -70.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.2
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 | 91% | 90% | 83% | 81% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Montebello 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.
Joseph A. Gascon Elementary math proficiency
Zero+ meets standard.
81% less $meal
83% less $meal
78% less $meal
78% less $meal
77% 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.