Gabriela Mistral Elementary (Data source)
Source data for Gabriela Mistral Elementary
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 | 81754 | 2461 | - | 2436 | = | 25 | * | (54 | / | 171) | = | 7.89473683 | ||
| 4 | 81757 | 2543 | - | 2485 | = | 58 | * | (59 | / | 171) | = | 20.01169586 | ||
| 5 | 81758 | 2529 | - | 2528 | = | 1 | * | (58 | / | 171) | = | 0.33918129 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Gabriela Mistral Elementary | 28 | ||||||||||||
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 | 84022 | 2477 | - | 2436 | = | 41 | * | (57 | / | 165) | = | 14.16363635 | ||
| 4 | 84024 | 2534 | - | 2485 | = | 49 | * | (54 | / | 165) | = | 16.03636362 | ||
| 5 | 84027 | 2560 | - | 2528 | = | 32 | * | (54 | / | 165) | = | 10.47272726 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Gabriela Mistral Elementary | 41 | ||||||||||||
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 | 84240 | 2481 | - | 2436 | = | 45 | * | (57 | / | 158) | = | 16.23417719 | ||
| 4 | 84242 | 2533 | - | 2485 | = | 48 | * | (54 | / | 158) | = | 16.40506325 | ||
| 5 | 84244 | 2535 | - | 2528 | = | 7 | * | (47 | / | 158) | = | 2.08227848 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Gabriela Mistral Elementary | 35 | ||||||||||||
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 | 84854 | 2463 | - | 2436 | = | 27 | * | (62 | / | 158) | = | 10.5949367 | ||
| 4 | 84855 | 2556 | - | 2485 | = | 71 | * | (51 | / | 158) | = | 22.91772151 | ||
| 5 | 84856 | 2574 | - | 2528 | = | 46 | * | (45 | / | 158) | = | 13.1012658 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Gabriela Mistral Elementary | 47 | ||||||||||||
Last steps
Compute the average
| 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|
| 28 | 41 | 35 | 47 | 151.0 | 37.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 13.75
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:
| 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| Percent | 44% | 41% | 42% | 45% |
| Data source | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mountain View Whisman 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.
Gabriela Mistral Elementary math proficiency
Zero+ meets standard.
39% less $meal
35% less $meal
39% less $meal
39% 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.