Donner Trail Elementary (Data source)
Source data for Donner Trail 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 | 1618069 | 2442 | - | 2436 | = | 6 | * | (12 | / | 30) | = | 2.4 | ||
| 4 | 1618070 | 0 | - | 2485 | = | * | (10 | / | 30) | = | ||||
| 5 | 1618073 | 0 | - | 2528 | = | * | (8 | / | 30) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Donner Trail Elementary | 2 | ||||||||||||
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 | 50600 | 2487 | - | 2436 | = | 51 | * | (12 | / | 35) | = | 17.48571424 | ||
| 4 | 50602 | 2522 | - | 2485 | = | 37 | * | (13 | / | 35) | = | 13.74285713 | ||
| 5 | 50605 | 0 | - | 2528 | = | * | (10 | / | 35) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Donner Trail Elementary | 31 | ||||||||||||
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 | 52045 | 2479 | - | 2436 | = | 43 | * | (12 | / | 37) | = | 13.94594593 | ||
| 4 | 52046 | 2511 | - | 2485 | = | 26 | * | (12 | / | 37) | = | 8.43243242 | ||
| 5 | 52049 | 2565 | - | 2528 | = | 37 | * | (13 | / | 37) | = | 12.99999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Donner Trail Elementary | 35 | ||||||||||||
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 | 52091 | 0 | - | 2436 | = | * | (0 | / | 35) | = | ||||
| 4 | 52092 | 2546 | - | 2485 | = | 61 | * | (14 | / | 35) | = | 24.4 | ||
| 5 | 52095 | 2547 | - | 2528 | = | 19 | * | (13 | / | 35) | = | 7.05714285 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Donner Trail Elementary | 31 | ||||||||||||
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 | 52269 | 0 | - | 2436 | = | * | (9 | / | 31) | = | ||||
| 4 | 52270 | 0 | - | 2485 | = | * | (8 | / | 31) | = | ||||
| 5 | 52271 | 2558 | - | 2528 | = | 30 | * | (14 | / | 31) | = | 13.54838709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Donner Trail Elementary | 14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 2 | 31 | 35 | 31 | 14 | 113.0 | 22.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 64.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.4
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 | 13% | 13% | 16% | 11% | 12% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tahoe-Truckee Unified 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.
Donner Trail Elementary math proficiency
Zero+ meets standard.
9% less $meal
9% less $meal
4% less $meal
11% less $meal
8% 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.
Elementary School (Public) schools in Tahoe-Truckee Unified (5)
| Donner Trail Elementary | Glenshire Elementary | Kings Beach Elementary |
| Tahoe Lake Elementary | Truckee Elementary |