Palo Verde Elementary (Data source)
Source data for Palo Verde 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 | 2701216 | 2519 | - | 2436 | = | 83 | * | (71 | / | 212) | = | 27.79716978 | ||
| 4 | 2701217 | 2574 | - | 2485 | = | 89 | * | (71 | / | 212) | = | 29.80660374 | ||
| 5 | 2701220 | 2603 | - | 2528 | = | 75 | * | (70 | / | 212) | = | 24.76415093 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Palo Verde 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 | 82255 | 2509 | - | 2436 | = | 73 | * | (68 | / | 214) | = | 23.19626166 | ||
| 4 | 82256 | 2583 | - | 2485 | = | 98 | * | (71 | / | 214) | = | 32.5140186 | ||
| 5 | 82258 | 2597 | - | 2528 | = | 69 | * | (75 | / | 214) | = | 24.18224294 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Palo Verde Elementary | 80 | ||||||||||||
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 | 84553 | 2504 | - | 2436 | = | 68 | * | (68 | / | 213) | = | 21.70892017 | ||
| 4 | 84555 | 2556 | - | 2485 | = | 71 | * | (71 | / | 213) | = | 23.66666664 | ||
| 5 | 84556 | 2592 | - | 2528 | = | 64 | * | (74 | / | 213) | = | 22.23474176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Palo Verde 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 | 84768 | 2524 | - | 2436 | = | 88 | * | (69 | / | 211) | = | 28.77725118 | ||
| 4 | 84770 | 2566 | - | 2485 | = | 81 | * | (72 | / | 211) | = | 27.63981039 | ||
| 5 | 84772 | 2581 | - | 2528 | = | 53 | * | (70 | / | 211) | = | 17.58293836 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Palo Verde Elementary | 74 | ||||||||||||
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 | 85362 | 2513 | - | 2436 | = | 77 | * | (61 | / | 202) | = | 23.25247525 | ||
| 4 | 85363 | 2580 | - | 2485 | = | 95 | * | (69 | / | 202) | = | 32.45049501 | ||
| 5 | 85364 | 2586 | - | 2528 | = | 58 | * | (72 | / | 202) | = | 20.67326729 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Palo Verde Elementary | 76 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 82 | 80 | 68 | 74 | 76 | 380.0 | 76.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 91.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 61.0
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 | 3% | 4% | 5% | 6% | 6% |
| 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.
Palo Verde Elementary math proficiency
Zero+ meets standard.
2% less $meal
2% less $meal
4% less $meal
5% less $meal
4% 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.