Chatom Elementary (Data source)
Source data for Chatom 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 | 2925532 | 2418 | - | 2436 | = | -18 | * | (54 | / | 192) | = | -5.0625 | ||
| 4 | 2925533 | 2444 | - | 2485 | = | -41 | * | (75 | / | 192) | = | -16.015625 | ||
| 5 | 2925536 | 2456 | - | 2528 | = | -72 | * | (63 | / | 192) | = | -23.625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chatom Elementary | -45 | ||||||||||||
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 | 89548 | 2419 | - | 2436 | = | -17 | * | (60 | / | 189) | = | -5.39682539 | ||
| 4 | 89549 | 2444 | - | 2485 | = | -41 | * | (56 | / | 189) | = | -12.14814814 | ||
| 5 | 89551 | 2453 | - | 2528 | = | -75 | * | (73 | / | 189) | = | -28.96825395 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chatom Elementary | -47 | ||||||||||||
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 | 92159 | 2415 | - | 2436 | = | -21 | * | (63 | / | 179) | = | -7.39106145 | ||
| 4 | 92161 | 2438 | - | 2485 | = | -47 | * | (63 | / | 179) | = | -16.54189943 | ||
| 5 | 92163 | 2465 | - | 2528 | = | -63 | * | (53 | / | 179) | = | -18.65363126 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chatom Elementary | -43 | ||||||||||||
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 | 92354 | 2435 | - | 2436 | = | -1 | * | (65 | / | 189) | = | -0.34391534 | ||
| 4 | 92357 | 2453 | - | 2485 | = | -32 | * | (65 | / | 189) | = | -11.00529098 | ||
| 5 | 92358 | 2469 | - | 2528 | = | -59 | * | (59 | / | 189) | = | -18.41798941 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chatom Elementary | -30 | ||||||||||||
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 | 92987 | 2420 | - | 2436 | = | -16 | * | (57 | / | 192) | = | -4.75 | ||
| 4 | 92988 | 2461 | - | 2485 | = | -24 | * | (69 | / | 192) | = | -8.625 | ||
| 5 | 92989 | 2468 | - | 2528 | = | -60 | * | (66 | / | 192) | = | -20.625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chatom Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -45 | -47 | -43 | -30 | -34 | -199.0 | -39.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.8
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 | 82% | 84% | 84% | 83% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chatom Union 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.
Chatom Elementary math proficiency
Zero+ meets standard.
76% less $meal
80% less $meal
74% less $meal
76% less $meal
71% 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.
Elementary School (Public) schools in Chatom Union (1)
| Chatom Elementary |