Vargas Elementary (Data source)
Source data for Vargas 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 | 2728237 | 2436 | - | 2436 | = | 0 | * | (95 | / | 259) | = | 0.0 | ||
| 4 | 2728238 | 2468 | - | 2485 | = | -17 | * | (86 | / | 259) | = | -5.64478764 | ||
| 5 | 2728241 | 2483 | - | 2528 | = | -45 | * | (78 | / | 259) | = | -13.55212355 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vargas Elementary | -19 | ||||||||||||
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 | 82979 | 2426 | - | 2436 | = | -10 | * | (82 | / | 253) | = | -3.24110671 | ||
| 4 | 82980 | 2488 | - | 2485 | = | 3 | * | (93 | / | 253) | = | 1.1027668 | ||
| 5 | 82983 | 2490 | - | 2528 | = | -38 | * | (78 | / | 253) | = | -11.71541501 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vargas Elementary | -14 | ||||||||||||
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 | 85301 | 2395 | - | 2436 | = | -41 | * | (83 | / | 244) | = | -13.94672129 | ||
| 4 | 85302 | 2472 | - | 2485 | = | -13 | * | (76 | / | 244) | = | -4.04918032 | ||
| 5 | 85305 | 2496 | - | 2528 | = | -32 | * | (85 | / | 244) | = | -11.14754096 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vargas Elementary | -29 | ||||||||||||
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 | 85520 | 2413 | - | 2436 | = | -23 | * | (61 | / | 222) | = | -6.3198198 | ||
| 4 | 85523 | 2465 | - | 2485 | = | -20 | * | (85 | / | 222) | = | -7.65765764 | ||
| 5 | 85524 | 2500 | - | 2528 | = | -28 | * | (76 | / | 222) | = | -9.58558558 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vargas Elementary | -24 | ||||||||||||
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 | 86110 | 2404 | - | 2436 | = | -32 | * | (65 | / | 216) | = | -9.6296296 | ||
| 4 | 86111 | 2468 | - | 2485 | = | -17 | * | (64 | / | 216) | = | -5.03703703 | ||
| 5 | 86112 | 2477 | - | 2528 | = | -51 | * | (87 | / | 216) | = | -20.54166663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vargas Elementary | -35 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -19 | -14 | -29 | -24 | -35 | -121.0 | -24.2 |
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: -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 | 68% | 57% | 53% | 53% | 51% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sunnyvale school district | County of Santa Clara
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.
Vargas Elementary math proficiency
Zero+ meets standard.
54% less $meal
45% less $meal
40% less $meal
45% less $meal
42% 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 Sunnyvale (8)
| Bishop Elementary | Cherry Chase Elementary | Cumberland Elementary |
| Ellis Elementary | Fairwood Elementary | Lakewood Elementary |
| San Miguel Elementary | Vargas Elementary |