Happy Valley Elementary (Data source)
Source data for Happy Valley 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 | 2741712 | 2465 | - | 2436 | = | 29 | * | (19 | / | 74) | = | 7.44594592 | ||
| 4 | 2741715 | 2509 | - | 2485 | = | 24 | * | (20 | / | 74) | = | 6.48648648 | ||
| 5 | 2741716 | 2517 | - | 2528 | = | -11 | * | (19 | / | 74) | = | -2.82432432 | ||
| 6 | 2741719 | 2601 | - | 2552 | = | 49 | * | (16 | / | 74) | = | 10.59459458 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Happy Valley Elementary | 22 | ||||||||||||
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 | 83346 | 2485 | - | 2436 | = | 49 | * | (20 | / | 71) | = | 13.80281686 | ||
| 4 | 83349 | 2512 | - | 2485 | = | 27 | * | (19 | / | 71) | = | 7.22535209 | ||
| 5 | 83351 | 2569 | - | 2528 | = | 41 | * | (19 | / | 71) | = | 10.97183095 | ||
| 6 | 83352 | 2581 | - | 2552 | = | 29 | * | (13 | / | 71) | = | 5.30985914 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Happy Valley 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 | 85664 | 2466 | - | 2436 | = | 30 | * | (21 | / | 71) | = | 8.87323941 | ||
| 4 | 85667 | 2510 | - | 2485 | = | 25 | * | (15 | / | 71) | = | 5.28169013 | ||
| 5 | 85668 | 2558 | - | 2528 | = | 30 | * | (19 | / | 71) | = | 8.02816899 | ||
| 6 | 85671 | 2590 | - | 2552 | = | 38 | * | (16 | / | 71) | = | 8.56338026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Happy Valley Elementary | 31 | ||||||||||||
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 | 85892 | 2489 | - | 2436 | = | 53 | * | (19 | / | 68) | = | 14.80882349 | ||
| 4 | 85893 | 2504 | - | 2485 | = | 19 | * | (17 | / | 68) | = | 4.75 | ||
| 5 | 85896 | 2548 | - | 2528 | = | 20 | * | (15 | / | 68) | = | 4.4117647 | ||
| 6 | 85897 | 2598 | - | 2552 | = | 46 | * | (17 | / | 68) | = | 11.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Happy Valley Elementary | 35 | ||||||||||||
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 | 86489 | 2537 | - | 2436 | = | 101 | * | (18 | / | 62) | = | 29.32258058 | ||
| 4 | 86490 | 2533 | - | 2485 | = | 48 | * | (17 | / | 62) | = | 13.1612903 | ||
| 5 | 86491 | 2565 | - | 2528 | = | 37 | * | (16 | / | 62) | = | 9.54838709 | ||
| 6 | 86492 | 2586 | - | 2552 | = | 34 | * | (11 | / | 62) | = | 6.03225804 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Happy Valley Elementary | 58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 22 | 37 | 31 | 35 | 58 | 183.0 | 36.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 75.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -2.4
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% | 9% | 8% | 12% | 8% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Happy Valley Elementary school district | County of Santa Cruz
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.
Happy Valley Elementary math proficiency
Zero+ meets standard.
10% less $meal
7% less $meal
8% less $meal
12% 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 in 1 School District (Public) schools in Happy Valley Elementary (1)
| Happy Valley Elementary |