Vencil Brown Elementary (Data source)
Source data for Vencil Brown 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 | 1613703 | 2468 | - | 2436 | = | 32 | * | (57 | / | 208) | = | 8.76923075 | ||
| 4 | 1613704 | 2491 | - | 2485 | = | 6 | * | (68 | / | 208) | = | 1.96153846 | ||
| 5 | 1613707 | 2516 | - | 2528 | = | -12 | * | (83 | / | 208) | = | -4.78846153 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vencil Brown Elementary | 6 | ||||||||||||
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 | 50478 | 2467 | - | 2436 | = | 31 | * | (66 | / | 194) | = | 10.54639174 | ||
| 4 | 50480 | 2498 | - | 2485 | = | 13 | * | (61 | / | 194) | = | 4.08762886 | ||
| 5 | 50483 | 2519 | - | 2528 | = | -9 | * | (67 | / | 194) | = | -3.10824742 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vencil Brown Elementary | 12 | ||||||||||||
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 | 51921 | 2453 | - | 2436 | = | 17 | * | (74 | / | 194) | = | 6.48453607 | ||
| 4 | 51923 | 2510 | - | 2485 | = | 25 | * | (58 | / | 194) | = | 7.4742268 | ||
| 5 | 51925 | 2542 | - | 2528 | = | 14 | * | (62 | / | 194) | = | 4.47422679 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vencil Brown Elementary | 18 | ||||||||||||
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 | 51964 | 2460 | - | 2436 | = | 24 | * | (50 | / | 184) | = | 6.52173912 | ||
| 4 | 51967 | 2506 | - | 2485 | = | 21 | * | (75 | / | 184) | = | 8.5597826 | ||
| 5 | 51968 | 2534 | - | 2528 | = | 6 | * | (59 | / | 184) | = | 1.92391304 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vencil Brown Elementary | 17 | ||||||||||||
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 | 52155 | 2467 | - | 2436 | = | 31 | * | (52 | / | 177) | = | 9.10734461 | ||
| 4 | 52156 | 2501 | - | 2485 | = | 16 | * | (51 | / | 177) | = | 4.61016949 | ||
| 5 | 52157 | 2525 | - | 2528 | = | -3 | * | (74 | / | 177) | = | -1.25423729 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vencil Brown Elementary | 12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 6 | 12 | 18 | 17 | 12 | 65.0 | 13.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 1.0
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 | 21% | 20% | 13% | 21% | 26% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Roseville City Elementary school district | County of Placer
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.
Vencil Brown Elementary math proficiency
Zero+ meets standard.
14% less $meal
17% less $meal
12% less $meal
18% less $meal
22% 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.