Stevens Creek Elementary (Data source)
Source data for Stevens Creek 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 | 2640773 | 2529 | - | 2436 | = | 93 | * | (90 | / | 318) | = | 26.32075463 | ||
| 4 | 2640774 | 2551 | - | 2485 | = | 66 | * | (97 | / | 318) | = | 20.13207544 | ||
| 5 | 2640777 | 2589 | - | 2528 | = | 61 | * | (131 | / | 318) | = | 25.12893079 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Stevens Creek Elementary | 72 | ||||||||||||
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 | 80521 | 2520 | - | 2436 | = | 84 | * | (98 | / | 296) | = | 27.8108108 | ||
| 4 | 80524 | 2565 | - | 2485 | = | 80 | * | (98 | / | 296) | = | 26.48648648 | ||
| 5 | 80526 | 2593 | - | 2528 | = | 65 | * | (100 | / | 296) | = | 21.95945941 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Stevens Creek Elementary | 76 | ||||||||||||
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 | 82741 | 2517 | - | 2436 | = | 81 | * | (93 | / | 289) | = | 26.06574387 | ||
| 4 | 82743 | 2573 | - | 2485 | = | 88 | * | (97 | / | 289) | = | 29.53633214 | ||
| 5 | 82744 | 2605 | - | 2528 | = | 77 | * | (99 | / | 289) | = | 26.37716258 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Stevens Creek Elementary | 82 | ||||||||||||
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 | 82949 | 2521 | - | 2436 | = | 85 | * | (95 | / | 291) | = | 27.74914089 | ||
| 4 | 82951 | 2572 | - | 2485 | = | 87 | * | (96 | / | 291) | = | 28.70103091 | ||
| 5 | 82953 | 2603 | - | 2528 | = | 75 | * | (100 | / | 291) | = | 25.77319583 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Stevens Creek Elementary | 82 | ||||||||||||
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 | 83562 | 2525 | - | 2436 | = | 89 | * | (94 | / | 295) | = | 28.35932196 | ||
| 4 | 83563 | 2567 | - | 2485 | = | 82 | * | (93 | / | 295) | = | 25.85084743 | ||
| 5 | 83564 | 2605 | - | 2528 | = | 77 | * | (108 | / | 295) | = | 28.18983044 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Stevens Creek Elementary | 82 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 72 | 76 | 82 | 82 | 82 | 394.0 | 78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 90.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 66.8
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% | 6% | 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.
Stevens Creek Elementary math proficiency
Zero+ meets standard.
1% less $meal
1% less $meal
1% less $meal
5% 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.