Bandini Elementary (Data source)
Source data for Bandini 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 | 1034520 | 2391 | - | 2436 | = | -45 | * | (73 | / | 216) | = | -15.20833329 | ||
| 4 | 1034521 | 2426 | - | 2485 | = | -59 | * | (72 | / | 216) | = | -19.66666665 | ||
| 5 | 1034524 | 2445 | - | 2528 | = | -83 | * | (71 | / | 216) | = | -27.28240735 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bandini Elementary | -62 | ||||||||||||
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 | 32469 | 2391 | - | 2436 | = | -45 | * | (78 | / | 226) | = | -15.53097344 | ||
| 4 | 32471 | 2428 | - | 2485 | = | -57 | * | (77 | / | 226) | = | -19.42035395 | ||
| 5 | 32473 | 2451 | - | 2528 | = | -77 | * | (71 | / | 226) | = | -24.19026548 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bandini Elementary | -59 | ||||||||||||
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 | 33040 | 2396 | - | 2436 | = | -40 | * | (81 | / | 230) | = | -14.08695652 | ||
| 4 | 33042 | 2425 | - | 2485 | = | -60 | * | (80 | / | 230) | = | -20.86956516 | ||
| 5 | 33044 | 2475 | - | 2528 | = | -53 | * | (69 | / | 230) | = | -15.9 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bandini Elementary | -51 | ||||||||||||
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 | 33059 | 2402 | - | 2436 | = | -34 | * | (65 | / | 221) | = | -10.0 | ||
| 4 | 33061 | 2439 | - | 2485 | = | -46 | * | (83 | / | 221) | = | -17.27601806 | ||
| 5 | 33063 | 2481 | - | 2528 | = | -47 | * | (73 | / | 221) | = | -15.52488687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bandini Elementary | -43 | ||||||||||||
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 | 33234 | 2396 | - | 2436 | = | -40 | * | (72 | / | 207) | = | -13.91304344 | ||
| 4 | 33235 | 2432 | - | 2485 | = | -53 | * | (64 | / | 207) | = | -16.38647338 | ||
| 5 | 33236 | 2472 | - | 2528 | = | -56 | * | (71 | / | 207) | = | -19.20772946 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bandini Elementary | -50 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -62 | -59 | -51 | -43 | -50 | -265.0 | -53.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.0
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 | 81% | 75% | 76% | 75% | 80% |
| 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.
Bandini Elementary math proficiency
Zero+ meets standard.
70% less $meal
64% less $meal
66% less $meal
69% 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.