San Jose Elementary (Data source)
Source data for San Jose 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 | 1095643 | 2398 | - | 2436 | = | -38 | * | (58 | / | 349) | = | -6.31518622 | ||
| 4 | 1095644 | 2438 | - | 2485 | = | -47 | * | (46 | / | 349) | = | -6.19484238 | ||
| 5 | 1095647 | 2473 | - | 2528 | = | -55 | * | (48 | / | 349) | = | -7.56446988 | ||
| 6 | 1095648 | 2463 | - | 2552 | = | -89 | * | (63 | / | 349) | = | -16.06590255 | ||
| 7 | 1095651 | 2503 | - | 2567 | = | -64 | * | (72 | / | 349) | = | -13.20343834 | ||
| 8 | 1095652 | 2489 | - | 2586 | = | -97 | * | (62 | / | 349) | = | -17.23209161 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Jose Elementary | -67 | ||||||||||||
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 | 34294 | 2374 | - | 2436 | = | -62 | * | (54 | / | 336) | = | -9.96428567 | ||
| 4 | 34295 | 2431 | - | 2485 | = | -54 | * | (58 | / | 336) | = | -9.32142854 | ||
| 5 | 34298 | 2471 | - | 2528 | = | -57 | * | (48 | / | 336) | = | -8.14285709 | ||
| 6 | 34299 | 2475 | - | 2552 | = | -77 | * | (47 | / | 336) | = | -10.7708333 | ||
| 7 | 34302 | 2527 | - | 2567 | = | -40 | * | (58 | / | 336) | = | -6.90476188 | ||
| 8 | 34304 | 2515 | - | 2586 | = | -71 | * | (71 | / | 336) | = | -15.00297613 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Jose Elementary | -60 | ||||||||||||
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 | 34906 | 2359 | - | 2436 | = | -77 | * | (53 | / | 316) | = | -12.91455689 | ||
| 4 | 34908 | 2430 | - | 2485 | = | -55 | * | (57 | / | 316) | = | -9.92088603 | ||
| 5 | 34909 | 2470 | - | 2528 | = | -58 | * | (53 | / | 316) | = | -9.72784804 | ||
| 6 | 34912 | 2489 | - | 2552 | = | -63 | * | (49 | / | 316) | = | -9.76898733 | ||
| 7 | 34914 | 2500 | - | 2567 | = | -67 | * | (49 | / | 316) | = | -10.3892405 | ||
| 8 | 34916 | 2503 | - | 2586 | = | -83 | * | (55 | / | 316) | = | -14.44620246 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Jose Elementary | -67 | ||||||||||||
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 | 34916 | 2388 | - | 2436 | = | -48 | * | (42 | / | 290) | = | -6.95172413 | ||
| 4 | 34918 | 2407 | - | 2485 | = | -78 | * | (54 | / | 290) | = | -14.52413789 | ||
| 5 | 34920 | 2452 | - | 2528 | = | -76 | * | (56 | / | 290) | = | -14.67586205 | ||
| 6 | 34922 | 2500 | - | 2552 | = | -52 | * | (51 | / | 290) | = | -9.14482754 | ||
| 7 | 34924 | 2497 | - | 2567 | = | -70 | * | (50 | / | 290) | = | -12.06896551 | ||
| 8 | 34926 | 2501 | - | 2586 | = | -85 | * | (37 | / | 290) | = | -10.84482751 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Jose Elementary | -68 | ||||||||||||
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 | 35093 | 2422 | - | 2436 | = | -14 | * | (49 | / | 326) | = | -2.10429447 | ||
| 4 | 35094 | 2436 | - | 2485 | = | -49 | * | (47 | / | 326) | = | -7.06441717 | ||
| 5 | 35095 | 2426 | - | 2528 | = | -102 | * | (60 | / | 326) | = | -18.77300606 | ||
| 6 | 35096 | 2492 | - | 2552 | = | -60 | * | (65 | / | 326) | = | -11.96319018 | ||
| 7 | 35097 | 2523 | - | 2567 | = | -44 | * | (56 | / | 326) | = | -7.5582822 | ||
| 8 | 35098 | 2495 | - | 2586 | = | -91 | * | (49 | / | 326) | = | -13.67791407 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Jose Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -60 | -67 | -68 | -61 | -323.0 | -64.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.6
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 | 87% | 90% | 91% | 91% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona 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.
San Jose Elementary math proficiency
Zero+ meets standard.
77% less $meal
80% less $meal
80% less $meal
82% 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.