Juana Briones Elementary (Data source)
Source data for Juana Briones 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 | 2700933 | 2517 | - | 2436 | = | 81 | * | (64 | / | 208) | = | 24.92307687 | ||
| 4 | 2700936 | 2560 | - | 2485 | = | 75 | * | (71 | / | 208) | = | 25.60096148 | ||
| 5 | 2700937 | 2607 | - | 2528 | = | 79 | * | (73 | / | 208) | = | 27.7259615 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Juana Briones Elementary | 78 | ||||||||||||
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 | 82247 | 2541 | - | 2436 | = | 105 | * | (57 | / | 197) | = | 30.38071061 | ||
| 4 | 82249 | 2571 | - | 2485 | = | 86 | * | (65 | / | 197) | = | 28.37563447 | ||
| 5 | 82250 | 2602 | - | 2528 | = | 74 | * | (75 | / | 197) | = | 28.17258877 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Juana Briones Elementary | 87 | ||||||||||||
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 | 84545 | 2542 | - | 2436 | = | 106 | * | (48 | / | 173) | = | 29.41040458 | ||
| 4 | 84547 | 2563 | - | 2485 | = | 78 | * | (60 | / | 173) | = | 27.0520231 | ||
| 5 | 84549 | 2608 | - | 2528 | = | 80 | * | (65 | / | 173) | = | 30.05780344 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Juana Briones Elementary | 87 | ||||||||||||
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 | 84761 | 2552 | - | 2436 | = | 116 | * | (45 | / | 153) | = | 34.11764705 | ||
| 4 | 84763 | 2563 | - | 2485 | = | 78 | * | (48 | / | 153) | = | 24.47058822 | ||
| 5 | 84765 | 2611 | - | 2528 | = | 83 | * | (60 | / | 153) | = | 32.54901955 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Juana Briones Elementary | 91 | ||||||||||||
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 | 85354 | 2527 | - | 2436 | = | 91 | * | (67 | / | 158) | = | 38.58860751 | ||
| 4 | 85355 | 2546 | - | 2485 | = | 61 | * | (47 | / | 158) | = | 18.14556959 | ||
| 5 | 85356 | 2595 | - | 2528 | = | 67 | * | (44 | / | 158) | = | 18.6582278 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Juana Briones Elementary | 75 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 78 | 87 | 87 | 91 | 75 | 418.0 | 83.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 101.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 65.6
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 | 14% | 13% | 15% | 17% | 15% |
| 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.
Juana Briones Elementary math proficiency
Zero+ meets standard.
10% less $meal
11% less $meal
14% less $meal
15% less $meal
13% 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.