Barron Park Elementary (Data source)
Source data for Barron Park 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 | 2702843 | 2470 | - | 2436 | = | 34 | * | (59 | / | 195) | = | 10.28717947 | ||
| 4 | 2702845 | 2504 | - | 2485 | = | 19 | * | (45 | / | 195) | = | 4.38461537 | ||
| 5 | 2702847 | 2555 | - | 2528 | = | 27 | * | (91 | / | 195) | = | 12.59999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barron Park Elementary | 27 | ||||||||||||
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 | 82310 | 2430 | - | 2436 | = | -6 | * | (43 | / | 142) | = | -1.81690141 | ||
| 4 | 82312 | 2494 | - | 2485 | = | 9 | * | (52 | / | 142) | = | 3.29577465 | ||
| 5 | 82314 | 2557 | - | 2528 | = | 29 | * | (47 | / | 142) | = | 9.59859154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barron Park Elementary | 11 | ||||||||||||
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 | 84605 | 2461 | - | 2436 | = | 25 | * | (50 | / | 154) | = | 8.1168831 | ||
| 4 | 84607 | 2460 | - | 2485 | = | -25 | * | (45 | / | 154) | = | -7.3051948 | ||
| 5 | 84609 | 2525 | - | 2528 | = | -3 | * | (59 | / | 154) | = | -1.14935065 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barron Park Elementary | 0 | ||||||||||||
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 | 84823 | 2462 | - | 2436 | = | 26 | * | (45 | / | 130) | = | 9.0 | ||
| 4 | 84825 | 2507 | - | 2485 | = | 22 | * | (46 | / | 130) | = | 7.78461537 | ||
| 5 | 84827 | 2489 | - | 2528 | = | -39 | * | (39 | / | 130) | = | -11.7 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barron Park Elementary | 5 | ||||||||||||
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 | 85416 | 2489 | - | 2436 | = | 53 | * | (37 | / | 122) | = | 16.07377046 | ||
| 4 | 85417 | 2527 | - | 2485 | = | 42 | * | (43 | / | 122) | = | 14.80327867 | ||
| 5 | 85418 | 2570 | - | 2528 | = | 42 | * | (42 | / | 122) | = | 14.45901639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barron Park Elementary | 45 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 27 | 11 | 0 | 5 | 45 | 88.0 | 17.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 73.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -29.0
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 | 25% | 29% | 33% | 37% | 31% |
| 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.
Barron Park Elementary math proficiency
Zero+ meets standard.
23% less $meal
25% less $meal
27% less $meal
29% 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.