Robert Louis Stevenson Intermediate (Data source)
Source data for Robert Louis Stevenson Intermediate
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 |
||
| 6 | 1391387 | 2525 | - | 2552 | = | -27 | * | (92 | / | 275) | = | -9.03272726 | ||
| 7 | 1391390 | 2509 | - | 2567 | = | -58 | * | (92 | / | 275) | = | -19.40363633 | ||
| 8 | 1391391 | 2539 | - | 2586 | = | -47 | * | (91 | / | 275) | = | -15.55272723 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Robert Louis Stevenson Intermediate | -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 |
||
| 6 | 43831 | 2534 | - | 2552 | = | -18 | * | (82 | / | 261) | = | -5.65517241 | ||
| 7 | 43833 | 2572 | - | 2567 | = | 5 | * | (92 | / | 261) | = | 1.76245211 | ||
| 8 | 43834 | 2552 | - | 2586 | = | -34 | * | (87 | / | 261) | = | -11.33333332 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Robert Louis Stevenson Intermediate | -15 | ||||||||||||
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 |
||
| 6 | 44906 | 2524 | - | 2552 | = | -28 | * | (88 | / | 258) | = | -9.55038759 | ||
| 7 | 44908 | 2566 | - | 2567 | = | -1 | * | (83 | / | 258) | = | -0.32170543 | ||
| 8 | 44910 | 2584 | - | 2586 | = | -2 | * | (87 | / | 258) | = | -0.6744186 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Robert Louis Stevenson Intermediate | -11 | ||||||||||||
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 |
||
| 6 | 44917 | 2525 | - | 2552 | = | -27 | * | (90 | / | 259) | = | -9.38223937 | ||
| 7 | 44918 | 2551 | - | 2567 | = | -16 | * | (85 | / | 259) | = | -5.25096525 | ||
| 8 | 44921 | 2584 | - | 2586 | = | -2 | * | (84 | / | 259) | = | -0.64864865 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Robert Louis Stevenson Intermediate | -15 | ||||||||||||
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 |
||
| 6 | 45043 | 2519 | - | 2552 | = | -33 | * | (79 | / | 262) | = | -9.95038166 | ||
| 7 | 45044 | 2560 | - | 2567 | = | -7 | * | (92 | / | 262) | = | -2.45801527 | ||
| 8 | 45045 | 2590 | - | 2586 | = | 4 | * | (91 | / | 262) | = | 1.38931298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Robert Louis Stevenson Intermediate | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -44 | -15 | -11 | -15 | -11 | -96.0 | -19.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 22.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.2
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 | 31% | 34% | 8% | 44% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saint Helena Unified school district County of Napa
Just a coincidence? That's absurd.
It's a system that causes this pattern to repeat.
THIS chart shows what the
follow-the-schedule method wants.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Robert Louis Stevenson Intermediate math proficiency
Zero+ meets standard.
24% less $meal
27% less $meal
8% less $meal
36% less $meal
34% 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.
Intermediate/Middle Schools (Public) schools in Saint Helena Unified (1)
| Robert Louis Stevenson Intermediate |