Sweetwater Springs Elementary (Data source)
Source data for Sweetwater Springs 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 | 2188097 | 2414 | - | 2436 | = | -22 | * | (89 | / | 337) | = | -5.81008901 | ||
| 4 | 2188098 | 2447 | - | 2485 | = | -38 | * | (82 | / | 337) | = | -9.2462908 | ||
| 5 | 2188101 | 2495 | - | 2528 | = | -33 | * | (100 | / | 337) | = | -9.79228487 | ||
| 6 | 2188102 | 2525 | - | 2552 | = | -27 | * | (66 | / | 337) | = | -5.28783382 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sweetwater Springs 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 | 67174 | 2405 | - | 2436 | = | -31 | * | (87 | / | 327) | = | -8.2477064 | ||
| 4 | 67175 | 2453 | - | 2485 | = | -32 | * | (85 | / | 327) | = | -8.31804278 | ||
| 5 | 67178 | 2479 | - | 2528 | = | -49 | * | (76 | / | 327) | = | -11.3883792 | ||
| 6 | 67179 | 2530 | - | 2552 | = | -22 | * | (79 | / | 327) | = | -5.31498471 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sweetwater Springs Elementary | -33 | ||||||||||||
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 | 68989 | 2427 | - | 2436 | = | -9 | * | (73 | / | 276) | = | -2.38043478 | ||
| 4 | 68990 | 2458 | - | 2485 | = | -27 | * | (77 | / | 276) | = | -7.53260869 | ||
| 5 | 68993 | 2495 | - | 2528 | = | -33 | * | (70 | / | 276) | = | -8.3695652 | ||
| 6 | 68995 | 2528 | - | 2552 | = | -24 | * | (56 | / | 276) | = | -4.8695652 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sweetwater Springs Elementary | -23 | ||||||||||||
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 | 69159 | 2442 | - | 2436 | = | 6 | * | (76 | / | 281) | = | 1.6227758 | ||
| 4 | 69162 | 2444 | - | 2485 | = | -41 | * | (67 | / | 281) | = | -9.77580068 | ||
| 5 | 69164 | 2480 | - | 2528 | = | -48 | * | (69 | / | 281) | = | -11.78647685 | ||
| 6 | 69165 | 2529 | - | 2552 | = | -23 | * | (69 | / | 281) | = | -5.64768682 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sweetwater Springs Elementary | -26 | ||||||||||||
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 | 69698 | 2427 | - | 2436 | = | -9 | * | (72 | / | 253) | = | -2.56126482 | ||
| 4 | 69699 | 2466 | - | 2485 | = | -19 | * | (69 | / | 253) | = | -5.18181817 | ||
| 5 | 69700 | 2467 | - | 2528 | = | -61 | * | (53 | / | 253) | = | -12.77865613 | ||
| 6 | 69701 | 2529 | - | 2552 | = | -23 | * | (59 | / | 253) | = | -5.36363636 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sweetwater Springs Elementary | -26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -33 | -23 | -26 | -26 | -138.0 | -27.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.6
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 | 61% | 61% | 59% | 64% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Mesa-Spring Valley school district | County of San Diego
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.
Sweetwater Springs Elementary math proficiency
Zero+ meets standard.
48% less $meal
48% less $meal
45% less $meal
52% less $meal
51% 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.