Garden Gate Elementary (Data source)
Source data for Garden Gate 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 | 2637355 | 2508 | - | 2436 | = | 72 | * | (108 | / | 372) | = | 20.90322576 | ||
| 4 | 2637356 | 2553 | - | 2485 | = | 68 | * | (146 | / | 372) | = | 26.68817202 | ||
| 5 | 2637359 | 2592 | - | 2528 | = | 64 | * | (118 | / | 372) | = | 20.30107526 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garden Gate Elementary | 68 | ||||||||||||
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 | 80411 | 2509 | - | 2436 | = | 73 | * | (129 | / | 384) | = | 24.5234375 | ||
| 4 | 80414 | 2578 | - | 2485 | = | 93 | * | (108 | / | 384) | = | 26.15625 | ||
| 5 | 80416 | 2590 | - | 2528 | = | 62 | * | (147 | / | 384) | = | 23.734375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garden Gate Elementary | 74 | ||||||||||||
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 | 82631 | 2522 | - | 2436 | = | 86 | * | (112 | / | 337) | = | 28.58160232 | ||
| 4 | 82633 | 2570 | - | 2485 | = | 85 | * | (112 | / | 337) | = | 28.24925811 | ||
| 5 | 82635 | 2609 | - | 2528 | = | 81 | * | (113 | / | 337) | = | 27.16023733 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garden Gate Elementary | 84 | ||||||||||||
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 | 82839 | 2530 | - | 2436 | = | 94 | * | (100 | / | 313) | = | 30.0319488 | ||
| 4 | 82841 | 2577 | - | 2485 | = | 92 | * | (112 | / | 313) | = | 32.92012779 | ||
| 5 | 82843 | 2601 | - | 2528 | = | 73 | * | (101 | / | 313) | = | 23.55591054 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garden Gate Elementary | 87 | ||||||||||||
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 | 83452 | 2521 | - | 2436 | = | 85 | * | (102 | / | 291) | = | 29.79381436 | ||
| 4 | 83453 | 2584 | - | 2485 | = | 99 | * | (95 | / | 291) | = | 32.31958762 | ||
| 5 | 83454 | 2617 | - | 2528 | = | 89 | * | (94 | / | 291) | = | 28.74914081 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garden Gate Elementary | 91 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 68 | 74 | 84 | 87 | 91 | 404.0 | 80.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 107.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 53.8
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 | 2% | 2% | 2% | 4% | 3% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cupertino Union 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.
Garden Gate Elementary math proficiency
Zero+ meets standard.
2% less $meal
1% less $meal
2% less $meal
4% less $meal
3% 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.