Shirpser Elementary (Data source)
Source data for Shirpser 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 | 690614 | 2396 | - | 2436 | = | -40 | * | (91 | / | 333) | = | -10.93093092 | ||
| 4 | 690615 | 2416 | - | 2485 | = | -69 | * | (83 | / | 333) | = | -17.19819818 | ||
| 5 | 690618 | 2438 | - | 2528 | = | -90 | * | (78 | / | 333) | = | -21.08108106 | ||
| 6 | 690619 | 2439 | - | 2552 | = | -113 | * | (81 | / | 333) | = | -27.48648646 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shirpser Elementary | -77 | ||||||||||||
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 | 21833 | 2388 | - | 2436 | = | -48 | * | (81 | / | 329) | = | -11.81762914 | ||
| 4 | 21835 | 2433 | - | 2485 | = | -52 | * | (82 | / | 329) | = | -12.96048629 | ||
| 5 | 21836 | 2441 | - | 2528 | = | -87 | * | (85 | / | 329) | = | -22.47720359 | ||
| 6 | 21838 | 2444 | - | 2552 | = | -108 | * | (81 | / | 329) | = | -26.58966556 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shirpser Elementary | -74 | ||||||||||||
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 | 22250 | 2402 | - | 2436 | = | -34 | * | (86 | / | 332) | = | -8.8072289 | ||
| 4 | 22251 | 2423 | - | 2485 | = | -62 | * | (78 | / | 332) | = | -14.56626506 | ||
| 5 | 22254 | 2452 | - | 2528 | = | -76 | * | (81 | / | 332) | = | -18.54216863 | ||
| 6 | 22255 | 2471 | - | 2552 | = | -81 | * | (87 | / | 332) | = | -21.22590355 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shirpser Elementary | -63 | ||||||||||||
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 | 22236 | 2411 | - | 2436 | = | -25 | * | (79 | / | 317) | = | -6.2302839 | ||
| 4 | 22239 | 2452 | - | 2485 | = | -33 | * | (82 | / | 317) | = | -8.53627757 | ||
| 5 | 22240 | 2471 | - | 2528 | = | -57 | * | (80 | / | 317) | = | -14.38485801 | ||
| 6 | 22243 | 2505 | - | 2552 | = | -47 | * | (76 | / | 317) | = | -11.2681388 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shirpser Elementary | -40 | ||||||||||||
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 | 22415 | 2397 | - | 2436 | = | -39 | * | (81 | / | 306) | = | -10.3235294 | ||
| 4 | 22416 | 2439 | - | 2485 | = | -46 | * | (80 | / | 306) | = | -12.02614377 | ||
| 5 | 22417 | 2474 | - | 2528 | = | -54 | * | (67 | / | 306) | = | -11.82352939 | ||
| 6 | 22418 | 2513 | - | 2552 | = | -39 | * | (78 | / | 306) | = | -9.94117644 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shirpser Elementary | -44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -74 | -63 | -40 | -44 | -298.0 | -59.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.6
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 | 98% | 96% | 97% | 98% | 98% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Monte City 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.
Shirpser Elementary math proficiency
Zero+ meets standard.
95% less $meal
93% less $meal
93% less $meal
94% less $meal
93% 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.