Radcliff Elementary (Data source)
Source data for Radcliff 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 | 2745871 | 2390 | - | 2436 | = | -46 | * | (84 | / | 217) | = | -17.8064516 | ||
| 4 | 2745874 | 2398 | - | 2485 | = | -87 | * | (67 | / | 217) | = | -26.86175112 | ||
| 5 | 2745875 | 2434 | - | 2528 | = | -94 | * | (66 | / | 217) | = | -28.58986171 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Radcliff Elementary | -73 | ||||||||||||
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 | 83492 | 2370 | - | 2436 | = | -66 | * | (99 | / | 252) | = | -25.92857137 | ||
| 4 | 83494 | 2411 | - | 2485 | = | -74 | * | (84 | / | 252) | = | -24.66666664 | ||
| 5 | 83497 | 2404 | - | 2528 | = | -124 | * | (69 | / | 252) | = | -33.95238085 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Radcliff Elementary | -85 | ||||||||||||
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 | 85814 | 2393 | - | 2436 | = | -43 | * | (83 | / | 248) | = | -14.39112902 | ||
| 4 | 85816 | 2395 | - | 2485 | = | -90 | * | (91 | / | 248) | = | -33.02419347 | ||
| 5 | 85818 | 2432 | - | 2528 | = | -96 | * | (74 | / | 248) | = | -28.64516122 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Radcliff Elementary | -76 | ||||||||||||
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 | 86042 | 2373 | - | 2436 | = | -63 | * | (83 | / | 264) | = | -19.80681816 | ||
| 4 | 86043 | 2403 | - | 2485 | = | -82 | * | (92 | / | 264) | = | -28.57575754 | ||
| 5 | 86046 | 2435 | - | 2528 | = | -93 | * | (89 | / | 264) | = | -31.35227272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Radcliff Elementary | -80 | ||||||||||||
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 | 86634 | 2336 | - | 2436 | = | -100 | * | (93 | / | 267) | = | -34.8314606 | ||
| 4 | 86635 | 2411 | - | 2485 | = | -74 | * | (87 | / | 267) | = | -24.1123595 | ||
| 5 | 86636 | 2440 | - | 2528 | = | -88 | * | (87 | / | 267) | = | -28.67415725 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Radcliff Elementary | -88 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -85 | -76 | -80 | -88 | -402.0 | -80.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -62.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -98.4
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 | 96% | 94% | 62% | 86% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pajaro Valley Unified 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.
Radcliff Elementary math proficiency
Zero+ meets standard.
91% less $meal
90% less $meal
62% less $meal
83% less $meal
87% 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.