Savannah Elementary (Data source)
Source data for Savannah 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 | 1102712 | 2424 | - | 2436 | = | -12 | * | (71 | / | 321) | = | -2.6542056 | ||
| 4 | 1102713 | 2470 | - | 2485 | = | -15 | * | (66 | / | 321) | = | -3.08411214 | ||
| 5 | 1102716 | 2482 | - | 2528 | = | -46 | * | (89 | / | 321) | = | -12.75389404 | ||
| 6 | 1102717 | 2513 | - | 2552 | = | -39 | * | (95 | / | 321) | = | -11.54205605 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Savannah Elementary | -30 | ||||||||||||
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 | 34494 | 2409 | - | 2436 | = | -27 | * | (69 | / | 291) | = | -6.40206185 | ||
| 4 | 34495 | 2462 | - | 2485 | = | -23 | * | (66 | / | 291) | = | -5.21649483 | ||
| 5 | 34497 | 2513 | - | 2528 | = | -15 | * | (66 | / | 291) | = | -3.40206185 | ||
| 6 | 34499 | 2547 | - | 2552 | = | -5 | * | (90 | / | 291) | = | -1.54639175 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Savannah Elementary | -17 | ||||||||||||
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 | 35112 | 2439 | - | 2436 | = | 3 | * | (51 | / | 265) | = | 0.57735849 | ||
| 4 | 35114 | 2461 | - | 2485 | = | -24 | * | (74 | / | 265) | = | -6.70188679 | ||
| 5 | 35116 | 2516 | - | 2528 | = | -12 | * | (67 | / | 265) | = | -3.03396226 | ||
| 6 | 35118 | 2548 | - | 2552 | = | -4 | * | (73 | / | 265) | = | -1.10188679 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Savannah Elementary | -10 | ||||||||||||
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 | 35124 | 2436 | - | 2436 | = | 0 | * | (60 | / | 248) | = | 0.0 | ||
| 4 | 35125 | 2485 | - | 2485 | = | 0 | * | (49 | / | 248) | = | 0.0 | ||
| 5 | 35128 | 2507 | - | 2528 | = | -21 | * | (71 | / | 248) | = | -6.01209676 | ||
| 6 | 35129 | 2553 | - | 2552 | = | 1 | * | (68 | / | 248) | = | 0.27419355 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Savannah Elementary | -6 | ||||||||||||
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 | 35291 | 2459 | - | 2436 | = | 23 | * | (55 | / | 241) | = | 5.24896264 | ||
| 4 | 35292 | 2486 | - | 2485 | = | 1 | * | (59 | / | 241) | = | 0.24481328 | ||
| 5 | 35293 | 2546 | - | 2528 | = | 18 | * | (54 | / | 241) | = | 4.03319502 | ||
| 6 | 35294 | 2528 | - | 2552 | = | -24 | * | (73 | / | 241) | = | -7.26970954 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Savannah Elementary | 2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -17 | -10 | -6 | 2 | -61.0 | -12.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.2
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 | 86% | 83% | 82% | 84% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rosemead Elementary 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.
Savannah Elementary math proficiency
Zero+ meets standard.
68% less $meal
65% less $meal
67% less $meal
70% less $meal
74% 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 Rosemead Elementary (4)
| Emma W. Shuey Elementary | Encinita Elementary | Mildred B. Janson Elementary |
| Savannah Elementary |