Audubon Elementary (Data source)
Source data for Audubon 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 | 2551324 | 2493 | - | 2436 | = | 57 | * | (96 | / | 310) | = | 17.65161288 | ||
| 4 | 2551325 | 2532 | - | 2485 | = | 47 | * | (100 | / | 310) | = | 15.16129032 | ||
| 5 | 2551328 | 2558 | - | 2528 | = | 30 | * | (114 | / | 310) | = | 11.03225805 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Audubon Elementary | 44 | ||||||||||||
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 | 77761 | 2501 | - | 2436 | = | 65 | * | (114 | / | 315) | = | 23.52380947 | ||
| 4 | 77763 | 2550 | - | 2485 | = | 65 | * | (100 | / | 315) | = | 20.63492061 | ||
| 5 | 77765 | 2565 | - | 2528 | = | 37 | * | (101 | / | 315) | = | 11.86349204 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Audubon Elementary | 56 | ||||||||||||
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 | 79914 | 2497 | - | 2436 | = | 61 | * | (120 | / | 331) | = | 22.1148036 | ||
| 4 | 79917 | 2542 | - | 2485 | = | 57 | * | (110 | / | 331) | = | 18.94259813 | ||
| 5 | 79919 | 2565 | - | 2528 | = | 37 | * | (101 | / | 331) | = | 11.29003019 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Audubon Elementary | 52 | ||||||||||||
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 | 80071 | 2499 | - | 2436 | = | 63 | * | (118 | / | 350) | = | 21.23999999 | ||
| 4 | 80074 | 2534 | - | 2485 | = | 49 | * | (120 | / | 350) | = | 16.79999996 | ||
| 5 | 80075 | 2551 | - | 2528 | = | 23 | * | (112 | / | 350) | = | 7.36 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Audubon Elementary | 45 | ||||||||||||
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 | 80565 | 2511 | - | 2436 | = | 75 | * | (117 | / | 346) | = | 25.36127168 | ||
| 4 | 80566 | 2541 | - | 2485 | = | 56 | * | (113 | / | 346) | = | 18.28901732 | ||
| 5 | 80567 | 2545 | - | 2528 | = | 17 | * | (116 | / | 346) | = | 5.69942196 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Audubon Elementary | 49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 44 | 56 | 52 | 45 | 49 | 246.0 | 49.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 37.2
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 | 4% | 3% | 5% | 6% | 5% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Mateo-Foster City school district | County of San Mateo
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.
Audubon Elementary math proficiency
Zero+ meets standard.
4% less $meal
3% less $meal
5% less $meal
5% less $meal
5% 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.