Vista Grande Elementary (Data source)
Source data for Vista Grande 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 | 252884 | 2486 | - | 2436 | = | 50 | * | (108 | / | 323) | = | 16.71826625 | ||
4 | 252887 | 2509 | - | 2485 | = | 24 | * | (105 | / | 323) | = | 7.80185758 | ||
5 | 252888 | 2548 | - | 2528 | = | 20 | * | (110 | / | 323) | = | 6.8111455 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista Grande Elementary | 31 |
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 | 7406 | 2483 | - | 2436 | = | 47 | * | (99 | / | 316) | = | 14.72468353 | ||
4 | 7407 | 2525 | - | 2485 | = | 40 | * | (105 | / | 316) | = | 13.29113924 | ||
5 | 7410 | 2553 | - | 2528 | = | 25 | * | (112 | / | 316) | = | 8.86075948 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista Grande Elementary | 37 |
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 | 7637 | 2491 | - | 2436 | = | 55 | * | (97 | / | 296) | = | 18.02364861 | ||
4 | 7640 | 2532 | - | 2485 | = | 47 | * | (95 | / | 296) | = | 15.08445942 | ||
5 | 7641 | 2553 | - | 2528 | = | 25 | * | (104 | / | 296) | = | 8.78378378 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista Grande Elementary | 42 |
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 | 7655 | 2474 | - | 2436 | = | 38 | * | (111 | / | 304) | = | 13.87499996 | ||
4 | 7658 | 2535 | - | 2485 | = | 50 | * | (102 | / | 304) | = | 16.77631575 | ||
5 | 7659 | 2565 | - | 2528 | = | 37 | * | (91 | / | 304) | = | 11.07565789 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista Grande Elementary | 42 |
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 | 7705 | 2482 | - | 2436 | = | 46 | * | (89 | / | 299) | = | 13.69230765 | ||
4 | 7706 | 2537 | - | 2485 | = | 52 | * | (108 | / | 299) | = | 18.78260868 | ||
5 | 7707 | 2574 | - | 2528 | = | 46 | * | (102 | / | 299) | = | 15.69230766 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista Grande Elementary | 48 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
31 | 37 | 42 | 42 | 48 | 200.0 | 40.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 58.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 22.0
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 | 2% | 1% | 1% | 2% | 3% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Ramon Valley Unified school district County of Contra Costa
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Vista Grande Elementary math proficiency
Zero+ meets standard.
1% less $meal
1% less $meal
1% less $meal
2% less $meal
3% 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.