Baywood Elementary (Data source)
Source data for Baywood 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 | 2494224 | 2406 | - | 2436 | = | -30 | * | (65 | / | 183) | = | -10.65573768 | ||
| 4 | 2494227 | 2461 | - | 2485 | = | -24 | * | (59 | / | 183) | = | -7.7377049 | ||
| 5 | 2494228 | 2496 | - | 2528 | = | -32 | * | (59 | / | 183) | = | -10.31693987 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Baywood Elementary | -29 | ||||||||||||
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 | 76047 | 2447 | - | 2436 | = | 11 | * | (40 | / | 165) | = | 2.66666666 | ||
| 4 | 76050 | 2475 | - | 2485 | = | -10 | * | (62 | / | 165) | = | -3.75757575 | ||
| 5 | 76052 | 2512 | - | 2528 | = | -16 | * | (63 | / | 165) | = | -6.1090909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Baywood Elementary | -7 | ||||||||||||
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 | 78085 | 2450 | - | 2436 | = | 14 | * | (58 | / | 166) | = | 4.89156626 | ||
| 4 | 78087 | 2499 | - | 2485 | = | 14 | * | (43 | / | 166) | = | 3.62650602 | ||
| 5 | 78089 | 2522 | - | 2528 | = | -6 | * | (65 | / | 166) | = | -2.34939759 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Baywood Elementary | 6 | ||||||||||||
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 | 78240 | 2452 | - | 2436 | = | 16 | * | (56 | / | 151) | = | 5.93377483 | ||
| 4 | 78241 | 2489 | - | 2485 | = | 4 | * | (47 | / | 151) | = | 1.24503311 | ||
| 5 | 78244 | 2532 | - | 2528 | = | 4 | * | (48 | / | 151) | = | 1.27152318 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Baywood Elementary | 8 | ||||||||||||
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 | 78769 | 2480 | - | 2436 | = | 44 | * | (52 | / | 151) | = | 15.15231784 | ||
| 4 | 78770 | 2480 | - | 2485 | = | -5 | * | (51 | / | 151) | = | -1.68874172 | ||
| 5 | 78771 | 2507 | - | 2528 | = | -21 | * | (48 | / | 151) | = | -6.67549667 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Baywood Elementary | 7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -29 | -7 | 6 | 8 | 7 | -15.0 | -3.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 42.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.0
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 | 59% | 56% | 50% | 52% | 50% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Luis Coastal Unified school district | County of San Luis Obispo
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.
Baywood Elementary math proficiency
Zero+ meets standard.
41% less $meal
39% less $meal
36% less $meal
44% less $meal
40% 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.