Sylvan Elementary (Data source)
Source data for Sylvan 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 | 2960749 | 2363 | - | 2436 | = | -73 | * | (38 | / | 144) | = | -19.26388882 | ||
| 4 | 2960752 | 2398 | - | 2485 | = | -87 | * | (58 | / | 144) | = | -35.0416666 | ||
| 5 | 2960753 | 2421 | - | 2528 | = | -107 | * | (48 | / | 144) | = | -35.66666663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sylvan Elementary | -90 | ||||||||||||
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 | 90592 | 2381 | - | 2436 | = | -55 | * | (45 | / | 147) | = | -16.83673464 | ||
| 4 | 90594 | 2402 | - | 2485 | = | -83 | * | (45 | / | 147) | = | -25.40816318 | ||
| 5 | 90596 | 2423 | - | 2528 | = | -105 | * | (57 | / | 147) | = | -40.71428571 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sylvan Elementary | -83 | ||||||||||||
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 | 93304 | 2402 | - | 2436 | = | -34 | * | (46 | / | 126) | = | -12.41269841 | ||
| 4 | 93305 | 2437 | - | 2485 | = | -48 | * | (42 | / | 126) | = | -15.99999998 | ||
| 5 | 93308 | 2444 | - | 2528 | = | -84 | * | (38 | / | 126) | = | -25.33333328 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sylvan Elementary | -54 | ||||||||||||
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 | 93505 | 2409 | - | 2436 | = | -27 | * | (50 | / | 157) | = | -8.5987261 | ||
| 4 | 93506 | 2436 | - | 2485 | = | -49 | * | (61 | / | 157) | = | -19.03821652 | ||
| 5 | 93509 | 2487 | - | 2528 | = | -41 | * | (46 | / | 157) | = | -12.01273883 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sylvan 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 | 94143 | 2428 | - | 2436 | = | -8 | * | (69 | / | 203) | = | -2.71921182 | ||
| 4 | 94144 | 2436 | - | 2485 | = | -49 | * | (59 | / | 203) | = | -14.24137931 | ||
| 5 | 94145 | 2440 | - | 2528 | = | -88 | * | (75 | / | 203) | = | -32.51231526 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sylvan Elementary | -49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -83 | -54 | -40 | -49 | -316.0 | -63.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.2
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 | 79% | 83% | 77% | 72% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sylvan Union Elementary 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.
Sylvan Elementary math proficiency
Zero+ meets standard.
69% less $meal
73% less $meal
65% less $meal
65% less $meal
56% 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.