Caswell Elementary (Data source)
Source data for Caswell 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 | 2922084 | 2404 | - | 2436 | = | -32 | * | (94 | / | 299) | = | -10.06020064 | ||
| 4 | 2922087 | 2393 | - | 2485 | = | -92 | * | (64 | / | 299) | = | -19.69230762 | ||
| 5 | 2922088 | 2430 | - | 2528 | = | -98 | * | (78 | / | 299) | = | -25.56521737 | ||
| 6 | 2922091 | 2484 | - | 2552 | = | -68 | * | (63 | / | 299) | = | -14.32775919 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Caswell Elementary | -70 | ||||||||||||
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 | 89450 | 2388 | - | 2436 | = | -48 | * | (66 | / | 311) | = | -10.18649515 | ||
| 4 | 89452 | 2419 | - | 2485 | = | -66 | * | (94 | / | 311) | = | -19.948553 | ||
| 5 | 89454 | 2448 | - | 2528 | = | -80 | * | (63 | / | 311) | = | -16.20578776 | ||
| 6 | 89455 | 2452 | - | 2552 | = | -100 | * | (88 | / | 311) | = | -28.2958199 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Caswell Elementary | -75 | ||||||||||||
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 | 92056 | 2412 | - | 2436 | = | -24 | * | (80 | / | 294) | = | -6.53061223 | ||
| 4 | 92057 | 2400 | - | 2485 | = | -85 | * | (62 | / | 294) | = | -17.92517001 | ||
| 5 | 92059 | 2431 | - | 2528 | = | -97 | * | (91 | / | 294) | = | -30.02380947 | ||
| 6 | 92061 | 2452 | - | 2552 | = | -100 | * | (61 | / | 294) | = | -20.7482993 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Caswell Elementary | -75 | ||||||||||||
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 | 92257 | 2374 | - | 2436 | = | -62 | * | (78 | / | 323) | = | -14.97213622 | ||
| 4 | 92258 | 2412 | - | 2485 | = | -73 | * | (88 | / | 323) | = | -19.88854486 | ||
| 5 | 92261 | 2393 | - | 2528 | = | -135 | * | (61 | / | 323) | = | -25.49535602 | ||
| 6 | 92262 | 2443 | - | 2552 | = | -109 | * | (96 | / | 323) | = | -32.3962848 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Caswell Elementary | -93 | ||||||||||||
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 | 92902 | 2356 | - | 2436 | = | -80 | * | (85 | / | 307) | = | -22.14983712 | ||
| 4 | 92903 | 2398 | - | 2485 | = | -87 | * | (70 | / | 307) | = | -19.83713352 | ||
| 5 | 92904 | 2420 | - | 2528 | = | -108 | * | (89 | / | 307) | = | -31.30944624 | ||
| 6 | 92905 | 2418 | - | 2552 | = | -134 | * | (63 | / | 307) | = | -27.49837128 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Caswell Elementary | -101 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -70 | -75 | -75 | -93 | -101 | -414.0 | -82.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -121.8
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% | 92% | 90% | 93% | 92% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ceres Unified school district | County of Stanislaus
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.
Caswell Elementary math proficiency
Zero+ meets standard.
84% less $meal
83% less $meal
80% less $meal
87% less $meal
86% 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.