Duveneck Elementary (Data source)
Source data for Duveneck 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 | 2700654 | 2508 | - | 2436 | = | 72 | * | (91 | / | 260) | = | 25.2 | ||
| 4 | 2700655 | 2569 | - | 2485 | = | 84 | * | (94 | / | 260) | = | 30.36923072 | ||
| 5 | 2700657 | 2620 | - | 2528 | = | 92 | * | (75 | / | 260) | = | 26.5384615 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Duveneck Elementary | 82 | ||||||||||||
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 | 82238 | 2517 | - | 2436 | = | 81 | * | (91 | / | 284) | = | 25.95422534 | ||
| 4 | 82241 | 2562 | - | 2485 | = | 77 | * | (90 | / | 284) | = | 24.40140842 | ||
| 5 | 82242 | 2587 | - | 2528 | = | 59 | * | (103 | / | 284) | = | 21.3978873 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Duveneck Elementary | 72 | ||||||||||||
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 | 84537 | 2495 | - | 2436 | = | 59 | * | (67 | / | 254) | = | 15.56299209 | ||
| 4 | 84538 | 2563 | - | 2485 | = | 78 | * | (94 | / | 254) | = | 28.86614172 | ||
| 5 | 84541 | 2593 | - | 2528 | = | 65 | * | (93 | / | 254) | = | 23.79921258 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Duveneck Elementary | 68 | ||||||||||||
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 | 84752 | 2536 | - | 2436 | = | 100 | * | (83 | / | 245) | = | 33.877551 | ||
| 4 | 84755 | 2565 | - | 2485 | = | 80 | * | (71 | / | 245) | = | 23.18367344 | ||
| 5 | 84756 | 2604 | - | 2528 | = | 76 | * | (91 | / | 245) | = | 28.2285714 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Duveneck Elementary | 85 | ||||||||||||
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 | 85346 | 2497 | - | 2436 | = | 61 | * | (66 | / | 221) | = | 18.21719451 | ||
| 4 | 85347 | 2584 | - | 2485 | = | 99 | * | (85 | / | 221) | = | 38.07692302 | ||
| 5 | 85348 | 2603 | - | 2528 | = | 75 | * | (70 | / | 221) | = | 23.75565608 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Duveneck Elementary | 80 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 82 | 72 | 68 | 85 | 80 | 387.0 | 77.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 98.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 56.4
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 | 6% | 6% | 7% | 8% | 8% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palo Alto Unified 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.
Duveneck Elementary math proficiency
Zero+ meets standard.
5% less $meal
5% less $meal
4% less $meal
6% less $meal
8% 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.